Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 2 - Reasoning and Proof - 2-3 Biconditionals and Definitions - Practice and Problem-Solving Exercises: 28

Answer

no

Work Step by Step

This is not a good definition. The statement is not reversible because opposite rays are not the only rays that share an endpoint. The rays that form a right angle are a counterexample.
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