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 - Review Exercises - Page 217: 7

Answer

A: Always True

Work Step by Step

Corollary 4.1.5: Two consecutive angles of a parallelogram are supplementary.
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