Question

Find the measure of angle B.

A) 90


B) 180


C) 120


D) 60

Answer 1

The answer is C) 120

Answer 2

C) 120 degrees

Explanation:

m<A + m<B + m<C = 180

45 + m<B + 15 = 180

m<B + 60 = 180

m<B = 120