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I need help finding x

I need help finding x-example-1
User Kube
by
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1 Answer

3 votes

Answer: x = 6

ΔABC is a isosceles triangle at A

=> m∠B = m∠C

=> 4x + 56 = 80

⇔ 4x = 80 - 56 = 24

⇔ x = 24/4 = 6

Explanation:

User Nalka
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