Adjacent angles: Difference between revisions
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#REDIRECT [[Angle#adjacent]] |
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[[''''''adjacent angle are common sids and have arms |
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{{unreferenced|date=August 2012}} |
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[[Image:Adjacentangles.svg|right|thumb||In the illustration, angles ''A'' and ''B'' are adjacent.]] |
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{{Merge|Complementary angles|Supplementary angles|Vertical angles|Transversal (geometry)|target=Special angle relationships|discuss=Talk:Vertical angles#Merge? |date=December 2011}} |
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In [[geometry]], '''adjacent angles''', often shortened as '''adj. ∠s''', are [[angle]]s that have a common ray coming out of the vertex going between two other rays, with no overlap of the regions "enclosed" by the two angles. In other words, they are angles that are side by side, or adjacent. |
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== Complementary adjacent angles == |
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A pair of angles is [[complementary angles|complementary]] if the sum of their measures is 90°. |
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A pair of angles is [[supplementary angles|supplementary]] if the sum of their measures is 180°. |
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An angle with a ray connected to a common point down the center. In geometry, two angles are adjacent angles if they share a common vertex and side, but have no common interior points. |
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== External links == |
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* [http://www.mathopenref.com/anglecomplementary.html Complementary Angles animated demonstration. ] With interactive applet |
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* [http://www.mathopenref.com/anglesupplementary.html Supplementary Angles animated demonstration. ] With interactive applet |
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* [http://www.mathopenref.com/tocs/anglestoc.html Angle definition pages] with interactive applets that are also useful in a classroom setting. Math Open Reference |
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{{DEFAULTSORT:Adjacent Angle}} |
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[[Category:Classical geometry]] |
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[[ar:زاوية مجاورة]] |
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[[ast:Ángulos axacentes]] |
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[[es:Ángulos adyacentes]] |
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[[eo:Najbaraj anguloj]] |
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[[fr:Angles adjacents]] |
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[[nn:Nabovinklar]] |
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[[sl:Sosednja kota]] |
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{{elementary-geometry-stub}} |
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Latest revision as of 17:44, 10 June 2017
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