SOLUTION: How do I solve this question? In an isosceles triangle, the sum of two congruent angles is thirty less than half the other angle. Find the angles.
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Question 598534: How do I solve this question? In an isosceles triangle, the sum of two congruent angles is thirty less than half the other angle. Find the angles.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Let x = one of the congruent angles, then the third angle is 180-2x..
Simplify.
Add x to both sides.
Divide both sides by 3.
=
The angles are:
20 degrees, 20 degrees, and 140 degrees.
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