143k views
5 votes
Two angles are supplementary. The first angle measures 60°. What is the measurement of the second angle?

2 Answers

3 votes
180-60=120. 120° is your answer.
User Laevand
by
7.8k points
4 votes
Supplementary angles add up to 180° so subtract 60 from 180 and you get 120°. The measurement of the second angle is 120°

User Christian Ivicevic
by
7.1k points