Question

1. If two angles are supplementary and one of them is 30°, what is the measurement of the second angle? A. 90° B. 60° C. 180° D. 150°

Answer 1

Supplementary angles always add up to 180 degrees.

180-30 degrees (known angle)= 150 degrees

Final answer: D

Answer 2

I took the quiz myself a little bit ago, the correct answer is of course, D.