# Appendix F - Exercise Set: 7

30°

#### Work Step by Step

Two angles are Supplementary if the sum of their measures is 180°. The supplement of a $150°$ angle is an angle whose measure is $180°-150° = 30°$ To check,notice that $150° + 30°= 180°$.

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.