#### 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.

Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

$\angle COE$

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