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Alex777 [14]
3 years ago
15

Enter your answer and show all the steps that you use to solve this problem in the space provided

Mathematics
1 answer:
serious [3.7K]3 years ago
8 0

Since the two slant sides have equal length, the triangle is isosceles.

If a triangle is isosceles, the two angles at the base have equal measure.

So, the measures of the angles are 38, x and x. The sum of the angles is 180, so we have

38+x+x=180 \iff 2x=180-38 \iff x=\dfrac{180-38}{2}=71

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