Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 2 - Section 2.2 - Indirect Proof - Exercises - Page 81: 12

Answer

Assume that $m\angle B = m\angle A$

Work Step by Step

When we use an indirect proof, we start by assuming that the conclusion statement is not true. We can write the first statement of the indirect proof of the given statement: Assume that $m\angle B = m\angle A$
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