Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 4 - Test - Page 218: 1b

Answer

$\angle A$ and $\angle B$ are supplementary.

Work Step by Step

In a parallelogram, consecutive angles are supplementary.
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