Question

In the image below, find the value of x

, m∠7

, and m∠8

.


m∠7=5x+5


m∠8=x−5

Answer 1

Explanation:

<7 + <8 = 180 [They are supplementary.]

5x + 5 + x - 5 = 180

6x = 180

x = 180/6

x = 30

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m<7 = 5x + 5 = 5*30 + 5 = 150+5 = 155

m<8 = x - 5 = 30 - 5 = 25