Question

What is the sum of the measures of the exterior angles of triangle ACB?
A. 135°

B. 360°

C. 180°

D. 270°

Answer 1

Your answer is C. 115 + 40 + 25 = 180

Answer 2

Angle X is 140, Angle Y is 65, and angle Z is 155 so the sum of all three is 360.