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 - Practice and Problem-Solving Exercises: 12

Answer

$\angle COE$

Work Step by Step

$\angle COE$ forms a linear pair with $\angle AOE$; since $\angle AOE$ is a right angle, $\angle COE$ is also a right angle.
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