Answer
complementary
supplementary
Work Step by Step
If $\alpha$ and $\beta$ are complementary angles then $\alpha+\beta=90°$. If $\alpha$ and $\beta$ are supplementary angles then $\alpha+\beta=180°$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.1 - Angles and Their Measure - 6.1 Exercises - Page 430: 6
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