Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - Review Exercises: 13

Answer

$\angle$AOB and $\angle$BOC $\angle$AOD and $\angle$DOC

Work Step by Step

These angles are supplementary because together they form straight lines.
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