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The angle measures of a triangle are shown below what is the value of x

The angle measures of a triangle are shown below what is the value of x-example-1
User Dgilperez
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1 Answer

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X= 12. You add every angel up. the two bottom equations when you substitute 12 in for x equal 90. 90+90=180 every triangles angels equal 180
User Wooldridgetm
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