Question

If ∠n and ∠p are supplementary angles, m∠N=(x+3)° and m∠P=(7x-15)° ,find m∠P.

Answer 1

132 degrees

Explanation:

x+ 3+7x-15=180

8x -12 =180

8x = 168

x=21

7(21) -15

147-15

132