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: 33

Answer

An angle is a right angle if and only if it is greater than an acute angle.

Work Step by Step

It is true that a right angle is greater than an acute angle. However, the converse is not true. An obtuse angle is also greater than an acute angle. Since there is a counterexample, the converse if false.
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