Answer
$\angle AEF$ and $\angle DEF$
Work Step by Step
$\angle AED$ is marked as a right angle, so $\angle AEF$ and $\angle DEF$ are complementary angles.
Geometry: Common Core (15th Edition)
by Charles, Randall I.
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
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