Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - 1-5 Exploring Angle Pairs - Lesson Check - Page 37: 2


$\angle AEF$ and $\angle DEF$

Work Step by Step

$\angle AED$ is marked as a right angle, so $\angle AEF$ and $\angle DEF$ are complementary angles.
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