Elementary Geometry for College Students (5th Edition)

by Alexander, Daniel C.; Koeberlein, Geralyn M.

Published by Brooks Cole

ISBN 10: 1439047901

ISBN 13: 978-1-43904-790-3

Chapter 1 - Section 1.4 - Angles and Their Relationships - Exercises - Page 37: 7

Answer

Complementary

Work Step by Step

The sum of $\angle1$ and $\angle2$ equals a right angle. Therefore, these angles are complementary.

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