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	<title>कोण- परिभाषाएँ - Revision history</title>
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	<updated>2026-05-06T18:39:05Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52741&amp;oldid=prev</id>
		<title>Ramamurthy: /* कोण के प्रकार */</title>
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		<updated>2024-06-19T01:57:35Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;कोण के प्रकार&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 07:27, 19 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l9&quot;&gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण के प्रकार ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण के प्रकार ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;न्यून कोण का माप &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; और &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बीच होता है, जबकि समकोण &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बराबर होता है। &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; से बड़ा लेकिन &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से छोटा कोण अधिक कोण कहलाता है। सीधा कोण &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; के बराबर होता है। वह कोण जो &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से अधिक लेकिन &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; से कम हो, प्रतिवर्ती कोण कहलाता है। दो कोण जिनका योग &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; है, पूरक कोण कहलाते हैं तथा दो कोण जिनका योग &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; है, संपूरक कोण कहलाते हैं।  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;न्यून कोण का माप &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; और &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बीच होता है, जबकि समकोण &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बराबर होता है। &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; से बड़ा लेकिन &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से छोटा कोण अधिक कोण कहलाता है। सीधा कोण &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; के बराबर होता है। वह कोण जो &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से अधिक लेकिन &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; से कम हो, प्रतिवर्ती कोण कहलाता है। दो कोण जिनका योग &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; है, पूरक कोण कहलाते हैं तथा दो कोण जिनका योग &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; है, संपूरक कोण कहलाते हैं।  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Types of Angles - Hindi.jpg|alt=Fig.2 Types of Angles|none|thumb|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;600x600px&lt;/del&gt;|चित्र-2 कोण के प्रकार]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Types of Angles - Hindi.jpg|alt=Fig.2 Types of Angles|none|thumb|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;800x800px&lt;/ins&gt;|चित्र-2 कोण के प्रकार]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== आसन्न कोण ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== आसन्न कोण ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ramamurthy</name></author>
	</entry>
	<entry>
		<id>https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52740&amp;oldid=prev</id>
		<title>Ramamurthy: /* कोण के प्रकार */</title>
		<link rel="alternate" type="text/html" href="https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52740&amp;oldid=prev"/>
		<updated>2024-06-19T01:56:29Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;कोण के प्रकार&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 07:26, 19 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot;&gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण के प्रकार ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण के प्रकार ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;न्यून कोण का माप &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; और &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बीच होता है, जबकि समकोण &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बराबर होता है। &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; से बड़ा लेकिन &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से छोटा कोण अधिक कोण कहलाता है। सीधा कोण &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; के बराबर होता है। वह कोण जो &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से अधिक लेकिन &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; से कम हो, प्रतिवर्ती कोण कहलाता है। दो कोण जिनका योग &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; है, पूरक कोण कहलाते हैं तथा दो कोण जिनका योग &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; है, संपूरक कोण कहलाते हैं। [[File:Types of Angles.jpg|alt=Fig.2 Types of Angles|none|thumb|600x600px|चित्र-2 कोण के प्रकार]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;न्यून कोण का माप &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; और &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बीच होता है, जबकि समकोण &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; के बराबर होता है। &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; से बड़ा लेकिन &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से छोटा कोण अधिक कोण कहलाता है। सीधा कोण &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; के बराबर होता है। वह कोण जो &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; से अधिक लेकिन &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; से कम हो, प्रतिवर्ती कोण कहलाता है। दो कोण जिनका योग &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; है, पूरक कोण कहलाते हैं तथा दो कोण जिनका योग &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; है, संपूरक कोण कहलाते हैं।  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Types of Angles &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;- Hindi&lt;/ins&gt;.jpg|alt=Fig.2 Types of Angles|none|thumb|600x600px|चित्र-2 कोण के प्रकार]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== आसन्न कोण ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== आसन्न कोण ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ramamurthy</name></author>
	</entry>
	<entry>
		<id>https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52191&amp;oldid=prev</id>
		<title>Mani: added content</title>
		<link rel="alternate" type="text/html" href="https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52191&amp;oldid=prev"/>
		<updated>2024-06-06T11:04:15Z</updated>

		<summary type="html">&lt;p&gt;added content&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:34, 6 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot;&gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण के प्रकार ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण के प्रकार ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;An acute angle measures between &lt;/del&gt;&amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;whereas a right angle is exactly equal to &lt;/del&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. An angle greater than &lt;/del&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;but less than &lt;/del&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is called an obtuse angle. Straight angle is equal to &lt;/del&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. An angle which is greater than &lt;/del&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;but less than &lt;/del&gt;&amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is called a reflex angle. Two angles whose sum is &lt;/del&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;are called complementary angles&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and two angles whose sum is &lt;/del&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;are called supplementary angles. &lt;/del&gt;[[File:Types of Angles.jpg|alt=Fig.2 Types of Angles|none|thumb|600x600px|चित्र-2 कोण के प्रकार]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;न्यून कोण का माप &lt;/ins&gt;&amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और &lt;/ins&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;के बीच होता है&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;जबकि समकोण &lt;/ins&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;के बराबर होता है। &lt;/ins&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;से बड़ा लेकिन &lt;/ins&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;से छोटा कोण अधिक कोण कहलाता है। सीधा कोण &lt;/ins&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;के बराबर होता है। वह कोण जो &lt;/ins&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;से अधिक लेकिन &lt;/ins&gt;&amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;से कम हो, प्रतिवर्ती कोण कहलाता है। दो कोण जिनका योग &lt;/ins&gt;&amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;है&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;पूरक कोण कहलाते हैं तथा दो कोण जिनका योग &lt;/ins&gt;&amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;है, संपूरक कोण कहलाते हैं। &lt;/ins&gt;[[File:Types of Angles.jpg|alt=Fig.2 Types of Angles|none|thumb|600x600px|चित्र-2 कोण के प्रकार]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== आसन्न कोण ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== आसन्न कोण ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Two angles are adjacent&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;if they have a common vertex&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a common arm and their non&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;common arms are on different sides of the common arm. In Fig. &lt;/del&gt;3, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;&amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;are adjacent angles. Ray &lt;/del&gt;&amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is their common arm and point &lt;/del&gt;&amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is their common vertex. Ray &lt;/del&gt;&amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and ray &lt;/del&gt;&amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;are non common arms. When two angles are adjacent&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;then their sum is always equal to the angle formed by the two non common arms. So&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;we can write &lt;/del&gt;&amp;lt;math&amp;gt;\angle ABC =\angle ABD +\angle DBC&amp;lt;/math&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Note that &lt;/del&gt;&amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;&amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;are not adjacent angles because their non common arms &lt;/del&gt;&amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;&amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;lie on the same side of the common arm &lt;/del&gt;&amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;.&lt;/del&gt;[[File:Adjacent angles.jpg|alt=Fig. 3 Adjacent angles|none|thumb|चित्र-3 आसन्न कोण]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;दो कोण आसन्न होते हैं&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;यदि उनका एक उभयनिष्ठ शीर्ष&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;एक उभयनिष्ठ भुजा हो और उनकी गैर-उभयनिष्ठ भुजाएँ उभयनिष्ठ भुजा के विभिन्न पक्षों पर हों। चित्र&lt;/ins&gt;-3 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;में&lt;/ins&gt;, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और &lt;/ins&gt;&amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;आसन्न कोण हैं। किरण &lt;/ins&gt;&amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;उनकी उभयनिष्ठ भुजा है और बिंदु &lt;/ins&gt;&amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;उनका उभयनिष्ठ शीर्ष है। किरण &lt;/ins&gt;&amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और किरण &lt;/ins&gt;&amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;गैर-उभयनिष्ठ भुजाएँ हैं। जब दो कोण आसन्न होते हैं&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;तो उनका योग हमेशा दो गैर-उभयनिष्ठ भुजाओं द्वारा बनाए गए कोण के बराबर होता है। इसलिए&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;हम &lt;/ins&gt;&amp;lt;math&amp;gt;\angle ABC =\angle ABD +\angle DBC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; लिख सकते हैं। ध्यान दें कि &lt;/ins&gt;&amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और &lt;/ins&gt;&amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;आसन्न कोण नहीं हैं क्योंकि उनकी गैर-उभयनिष्ठ भुजाएँ &lt;/ins&gt;&amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और &lt;/ins&gt;&amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;सामान्य भुजा &lt;/ins&gt;&amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;के एक ही ओर स्थित हैं।&lt;/ins&gt;[[File:Adjacent angles.jpg|alt=Fig. 3 Adjacent angles|none|thumb|चित्र-3 आसन्न कोण]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोणों का रैखिक युग्म ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोणों का रैखिक युग्म ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;If the non&lt;/del&gt;-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;common arms &lt;/del&gt;&amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;&amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in Fig. 3 form a line then it will look like Fig. &lt;/del&gt;4&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. In this case&lt;/del&gt;, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;&amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;are called linear pair of angles&lt;/del&gt;. [[File:Linear Pair of angles.jpg|alt=Fig.4 Linear pair of angles|none|thumb|चित्र-4 कोणों का रैखिक युग्म]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;यदि चित्र&lt;/ins&gt;-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;3 में गैर-उभयनिष्ठ भुजाएँ &lt;/ins&gt;&amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और &lt;/ins&gt;&amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;एक रेखा बनाते हैं तो यह चित्र-&lt;/ins&gt;4 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;जैसा दिखाई देगा। इस स्थिति में&lt;/ins&gt;, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और &lt;/ins&gt;&amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोणों के  रैखिक युग्म कहलाते हैं &lt;/ins&gt;. [[File:Linear Pair of angles.jpg|alt=Fig.4 Linear pair of angles|none|thumb|चित्र-4 कोणों का रैखिक युग्म]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== शीर्षाभिमुख कोण ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== शीर्षाभिमुख कोण ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Vertically opposite angles formed when two lines&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;say &lt;/del&gt;&amp;lt;math&amp;gt;AB&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;&amp;lt;math&amp;gt;CD&amp;lt;/math&amp;gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;intersect each other, say at the point &lt;/del&gt;&amp;lt;math&amp;gt;O&amp;lt;/math&amp;gt; (&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;see Fig. &lt;/del&gt;5)&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. There are two pairs of vertically opposite angles. &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;शीर्षाभिमुख कोण तब बनते हैं जब दो रेखाएँ&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;मान लीजिए &lt;/ins&gt;&amp;lt;math&amp;gt;AB&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;और &lt;/ins&gt;&amp;lt;math&amp;gt;CD&amp;lt;/math&amp;gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;एक दूसरे को बिंदु &lt;/ins&gt;&amp;lt;math&amp;gt;O&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;पर प्रतिच्छेद करती हैं &lt;/ins&gt;(&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;चित्र-&lt;/ins&gt;5 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;देखें&lt;/ins&gt;)&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;। शीर्षाभिमुख कोणों के दो युग्म हैं। &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\angle AOD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle BOC&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\angle AOD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle BOC&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
	<entry>
		<id>https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52190&amp;oldid=prev</id>
		<title>Mani: added content</title>
		<link rel="alternate" type="text/html" href="https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52190&amp;oldid=prev"/>
		<updated>2024-06-06T10:40:48Z</updated>

		<summary type="html">&lt;p&gt;added content&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:10, 6 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण ==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== कोण ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;An angle is formed when two rays originate from the same end point. The rays making an angle are called the arms of the angle and the end point is called the vertex of the angle. &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;जब दो किरणें एक ही अंतिम बिंदु से निकलती हैं तो कोण बनता है। कोण बनाने वाली किरणें कोण की भुजाएं कहलाती हैं और अंतिम बिंदु कोण का शीर्ष कहलाता है। &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Angles are usually measured in degrees and denoted by &lt;/del&gt;&amp;lt;math&amp;gt;^\circ&amp;lt;/math&amp;gt; (&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the degree symbol&lt;/del&gt;), &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;which is a measure of rotation. An angle can have a value between &lt;/del&gt;&amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;to &lt;/del&gt;&amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;and it is denoted by the symbol &lt;/del&gt;&amp;lt;math&amp;gt;\angle&amp;lt;/math&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;. Observe in the Fig. &lt;/del&gt;1 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;which shows &lt;/del&gt;&amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोणों को साधारणतः डिग्री में मापा जाता है और &lt;/ins&gt;&amp;lt;math&amp;gt;^\circ&amp;lt;/math&amp;gt; (&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;डिग्री प्रतीक&lt;/ins&gt;) &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;द्वारा दर्शाया जाता है&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;जो घूर्णन का एक माप है। कोण का मान &lt;/ins&gt;&amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;से &lt;/ins&gt;&amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;के बीच हो सकता है और इसे &lt;/ins&gt;&amp;lt;math&amp;gt;\angle&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;प्रतीक द्वारा दर्शाया जाता है। चित्र &lt;/ins&gt;1 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;में देखें जो &lt;/ins&gt;&amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;दर्शाता है।&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Angle.jpg|alt=Fig.1 Angle|none|thumb|चित्र-1 कोण]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Angle.jpg|alt=Fig.1 Angle|none|thumb|चित्र-1 कोण]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
	<entry>
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		<title>Mani: images added</title>
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		<updated>2024-06-06T10:34:26Z</updated>

		<summary type="html">&lt;p&gt;images added&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:04, 6 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Angles &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोण &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;An angle is formed when two rays originate from the same end point. The rays making an angle are called the arms of the angle and the end point is called the vertex of the angle.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;An angle is formed when two rays originate from the same end point. The rays making an angle are called the arms of the angle and the end point is called the vertex of the angle.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Angles are usually measured in degrees and denoted by &amp;lt;math&amp;gt;^\circ&amp;lt;/math&amp;gt; (the degree symbol), which is a measure of rotation. An angle can have a value between &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; to &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; and it is denoted by the symbol &amp;lt;math&amp;gt;\angle&amp;lt;/math&amp;gt;. Observe in the Fig. 1 which shows &amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Angles are usually measured in degrees and denoted by &amp;lt;math&amp;gt;^\circ&amp;lt;/math&amp;gt; (the degree symbol), which is a measure of rotation. An angle can have a value between &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; to &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; and it is denoted by the symbol &amp;lt;math&amp;gt;\angle&amp;lt;/math&amp;gt;. Observe in the Fig. 1 which shows &amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Angle.jpg|alt=Fig.1 Angle|none|thumb|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fig.&lt;/del&gt;1 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Angle&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[File:Angle.jpg|alt=Fig.1 Angle|none|thumb|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;चित्र-&lt;/ins&gt;1 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोण&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Types of Angles &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोण के प्रकार &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;An acute angle measures between &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt;, whereas a right angle is exactly equal to &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt;. An angle greater than &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; but less than &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; is called an obtuse angle. Straight angle is equal to &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt;. An angle which is greater than &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; but less than &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; is called a reflex angle. Two angles whose sum is &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; are called complementary angles, and two angles whose sum is &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; are called supplementary angles. [[File:Types of Angles.jpg|alt=Fig.2 Types of Angles|none|thumb|600x600px|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fig.&lt;/del&gt;2 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Types of Angles&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;An acute angle measures between &amp;lt;math&amp;gt;0^\circ&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt;, whereas a right angle is exactly equal to &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt;. An angle greater than &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; but less than &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; is called an obtuse angle. Straight angle is equal to &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt;. An angle which is greater than &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; but less than &amp;lt;math&amp;gt;360^\circ&amp;lt;/math&amp;gt; is called a reflex angle. Two angles whose sum is &amp;lt;math&amp;gt;90^\circ&amp;lt;/math&amp;gt; are called complementary angles, and two angles whose sum is &amp;lt;math&amp;gt;180^\circ&amp;lt;/math&amp;gt; are called supplementary angles. [[File:Types of Angles.jpg|alt=Fig.2 Types of Angles|none|thumb|600x600px|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;चित्र-&lt;/ins&gt;2 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोण के प्रकार&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Adjacent angles &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;आसन्न कोण &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Two angles are adjacent, if they have a common vertex, a common arm and their non-common arms are on different sides of the common arm. In Fig. 3, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; are adjacent angles. Ray &amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; is their common arm and point &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; is their common vertex. Ray &amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; and ray &amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; are non common arms. When two angles are adjacent, then their sum is always equal to the angle formed by the two non common arms. So, we can write &amp;lt;math&amp;gt;\angle ABC =\angle ABD +\angle DBC&amp;lt;/math&amp;gt;. Note that &amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; are not adjacent angles because their non common arms &amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; lie on the same side of the common arm &amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt;.[[File:Adjacent angles.jpg|alt=Fig. 3 Adjacent angles|none|thumb|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fig. &lt;/del&gt;3 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Adjacent angles&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Two angles are adjacent, if they have a common vertex, a common arm and their non-common arms are on different sides of the common arm. In Fig. 3, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; are adjacent angles. Ray &amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; is their common arm and point &amp;lt;math&amp;gt;B&amp;lt;/math&amp;gt; is their common vertex. Ray &amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; and ray &amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; are non common arms. When two angles are adjacent, then their sum is always equal to the angle formed by the two non common arms. So, we can write &amp;lt;math&amp;gt;\angle ABC =\angle ABD +\angle DBC&amp;lt;/math&amp;gt;. Note that &amp;lt;math&amp;gt;\angle ABC&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; are not adjacent angles because their non common arms &amp;lt;math&amp;gt;BD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; lie on the same side of the common arm &amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt;.[[File:Adjacent angles.jpg|alt=Fig. 3 Adjacent angles|none|thumb|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;चित्र-&lt;/ins&gt;3 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;आसन्न कोण&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Linear pair of angles &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोणों का रैखिक युग्म &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the non-common arms &amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; in Fig. 3 form a line then it will look like Fig. 4. In this case, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; are called linear pair of angles. [[File:Linear Pair of angles.jpg|alt=Fig.4 Linear pair of angles|none|thumb|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fig.&lt;/del&gt;4 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Linear pair of angles&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;If the non-common arms &amp;lt;math&amp;gt;BA&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;BC&amp;lt;/math&amp;gt; in Fig. 3 form a line then it will look like Fig. 4. In this case, &amp;lt;math&amp;gt;\angle ABD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle DBC&amp;lt;/math&amp;gt; are called linear pair of angles. [[File:Linear Pair of angles.jpg|alt=Fig.4 Linear pair of angles|none|thumb|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;चित्र-&lt;/ins&gt;4 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;कोणों का रैखिक युग्म&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Vertically opposite angles &lt;/del&gt;==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;शीर्षाभिमुख कोण &lt;/ins&gt;==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Vertically opposite angles formed when two lines, say &amp;lt;math&amp;gt;AB&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;CD&amp;lt;/math&amp;gt;, intersect each other, say at the point &amp;lt;math&amp;gt;O&amp;lt;/math&amp;gt; (see Fig. 5). There are two pairs of vertically opposite angles.  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Vertically opposite angles formed when two lines, say &amp;lt;math&amp;gt;AB&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;CD&amp;lt;/math&amp;gt;, intersect each other, say at the point &amp;lt;math&amp;gt;O&amp;lt;/math&amp;gt; (see Fig. 5). There are two pairs of vertically opposite angles.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\angle AOD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle BOC&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\angle AOD&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle BOC&amp;lt;/math&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\angle AOC&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle DOB&amp;lt;/math&amp;gt;[[File:Vertically opposite angles.jpg|alt=Fig. 5 Vertically opposite angles|none|thumb|&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Fig. &lt;/del&gt;5 &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Vertically opposite angles&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;math&amp;gt;\angle AOC&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;\angle DOB&amp;lt;/math&amp;gt;[[File:Vertically opposite angles.jpg|alt=Fig. 5 Vertically opposite angles|none|thumb|&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;चित्र-&lt;/ins&gt;5 &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;शीर्षाभिमुख कोण&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br/&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:रेखाएँ और कोण]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:रेखाएँ और कोण]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:कक्षा-9]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:कक्षा-9]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:गणित]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:गणित]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
	<entry>
		<id>https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52188&amp;oldid=prev</id>
		<title>Mani at 10:30, 6 June 2024</title>
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		<updated>2024-06-06T10:30:07Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:00, 6 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Angles ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;An angle is formed when two rays originate from the same end point. The rays making an angle are called the arms of the angle and the end point is called the vertex of the angle. &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Angles are usually measured in degrees and denoted by &amp;lt;math&gt;^\circ&amp;lt;/math&gt; (the degree symbol), which is a measure of rotation. An angle can have a value between &amp;lt;math&gt;0^\circ&amp;lt;/math&gt; to &amp;lt;math&gt;360^\circ&amp;lt;/math&gt; and it is denoted by the symbol &amp;lt;math&gt;\angle&amp;lt;/math&gt;. Observe in the Fig. 1 which shows &amp;lt;math&gt;\angle ABC&amp;lt;/math&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[File:Angle.jpg|alt=Fig.1 Angle|none|thumb|Fig.1 Angle]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Types of Angles ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;An acute angle measures between &amp;lt;math&gt;0^\circ&amp;lt;/math&gt; and &amp;lt;math&gt;90^\circ&amp;lt;/math&gt;, whereas a right angle is exactly equal to &amp;lt;math&gt;90^\circ&amp;lt;/math&gt;. An angle greater than &amp;lt;math&gt;90^\circ&amp;lt;/math&gt; but less than &amp;lt;math&gt;180^\circ&amp;lt;/math&gt; is called an obtuse angle. Straight angle is equal to &amp;lt;math&gt;180^\circ&amp;lt;/math&gt;. An angle which is greater than &amp;lt;math&gt;180^\circ&amp;lt;/math&gt; but less than &amp;lt;math&gt;360^\circ&amp;lt;/math&gt; is called a reflex angle. Two angles whose sum is &amp;lt;math&gt;90^\circ&amp;lt;/math&gt; are called complementary angles, and two angles whose sum is &amp;lt;math&gt;180^\circ&amp;lt;/math&gt; are called supplementary angles. [[File:Types of Angles.jpg|alt=Fig.2 Types of Angles|none|thumb|600x600px|Fig.2 Types of Angles]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Adjacent angles ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Two angles are adjacent, if they have a common vertex, a common arm and their non-common arms are on different sides of the common arm. In Fig. 3, &amp;lt;math&gt;\angle ABD&amp;lt;/math&gt; and &amp;lt;math&gt;\angle DBC&amp;lt;/math&gt; are adjacent angles. Ray &amp;lt;math&gt;BD&amp;lt;/math&gt; is their common arm and point &amp;lt;math&gt;B&amp;lt;/math&gt; is their common vertex. Ray &amp;lt;math&gt;BA&amp;lt;/math&gt; and ray &amp;lt;math&gt;BC&amp;lt;/math&gt; are non common arms. When two angles are adjacent, then their sum is always equal to the angle formed by the two non common arms. So, we can write &amp;lt;math&gt;\angle ABC =\angle ABD +\angle DBC&amp;lt;/math&gt;. Note that &amp;lt;math&gt;\angle ABC&amp;lt;/math&gt; and &amp;lt;math&gt;\angle ABD&amp;lt;/math&gt; are not adjacent angles because their non common arms &amp;lt;math&gt;BD&amp;lt;/math&gt; and &amp;lt;math&gt;BC&amp;lt;/math&gt; lie on the same side of the common arm &amp;lt;math&gt;BA&amp;lt;/math&gt;.[[File:Adjacent angles.jpg|alt=Fig. 3 Adjacent angles|none|thumb|Fig. 3 Adjacent angles]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Linear pair of angles ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;If the non-common arms &amp;lt;math&gt;BA&amp;lt;/math&gt; and &amp;lt;math&gt;BC&amp;lt;/math&gt; in Fig. 3 form a line then it will look like Fig. 4. In this case, &amp;lt;math&gt;\angle ABD&amp;lt;/math&gt; and &amp;lt;math&gt;\angle DBC&amp;lt;/math&gt; are called linear pair of angles. [[File:Linear Pair of angles.jpg|alt=Fig.4 Linear pair of angles|none|thumb|Fig.4 Linear pair of angles]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;== Vertically opposite angles ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Vertically opposite angles formed when two lines, say &amp;lt;math&gt;AB&amp;lt;/math&gt; and &amp;lt;math&gt;CD&amp;lt;/math&gt;, intersect each other, say at the point &amp;lt;math&gt;O&amp;lt;/math&gt; (see Fig. 5). There are two pairs of vertically opposite angles. &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&gt;\angle AOD&amp;lt;/math&gt; and &amp;lt;math&gt;\angle BOC&amp;lt;/math&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&gt;\angle AOC&amp;lt;/math&gt; and &amp;lt;math&gt;\angle DOB&amp;lt;/math&gt;[[File:Vertically opposite angles.jpg|alt=Fig. 5 Vertically opposite angles|none|thumb|Fig. 5 Vertically opposite angles]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:रेखाएँ और कोण]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:रेखाएँ और कोण]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:कक्षा-9]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:कक्षा-9]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:गणित]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:गणित]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
	<entry>
		<id>https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52186&amp;oldid=prev</id>
		<title>Mani: updated the category</title>
		<link rel="alternate" type="text/html" href="https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52186&amp;oldid=prev"/>
		<updated>2024-06-06T10:26:45Z</updated>

		<summary type="html">&lt;p&gt;updated the category&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 15:56, 6 June 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:रेखाएँ और कोण]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:कक्षा-9]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Category:गणित]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
	<entry>
		<id>https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52184&amp;oldid=prev</id>
		<title>Mani: New Mathematics Class 9 Hindi Page Created</title>
		<link rel="alternate" type="text/html" href="https://www.vidyalayawiki.in/index.php?title=%E0%A4%95%E0%A5%8B%E0%A4%A3-_%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A4%BE%E0%A4%B7%E0%A4%BE%E0%A4%8F%E0%A4%81&amp;diff=52184&amp;oldid=prev"/>
		<updated>2024-06-06T10:24:48Z</updated>

		<summary type="html">&lt;p&gt;New Mathematics Class 9 Hindi Page Created&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;ज्यामिति में, रेखाएँ और कोण मूल शब्द हैं जो विषय की नींव स्थापित करते हैं। कोण को दो किरणों द्वारा बनाई गई एक आकृति के रूप में परिभाषित किया जाता है जो एक सामान्य समापन बिंदु पर मिलती हैं। इन्हें एक चांदे(प्रोट्रैक्टर) का उपयोग करके डिग्री में मापा जाता है। सभी ज्यामितीय आकृतियों में रेखाएँ और कोण होते हैं।&lt;/div&gt;</summary>
		<author><name>Mani</name></author>
	</entry>
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