Question

What is the measure of angle 1 if the measure of angle 2 is 42°?

O A. 142°
B. 42°
C. 38°
D. 138

Answer 1

It would be D. 138 because 180-42=138

Answer 2

D

Explanation:

if angle 2 =42 degrees

and angle 2 + angle 1 = 180 degrees because they create a straight line, then 180-42=138 degrees