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One angle of a triangle measures 126°. The other two angles are congruent. Enter and solve an equation to find the measure x of the congruent angles.
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One angle of a triangle measures 126°. The other two angles are congruent. Enter and solve an equation to find the measure x of the congruent angles.

User Singuliere
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1 Answer

3 votes
126 + x + x = 180
126 + 2x = 180
2x = 54
x = 27

So both the congruent angles measure 27.

Hope this helps :)
User Vishwajeet
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