Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 2 - Section 2.4 - The Angles of a Triangle - Exercises - Page 97: 12


RT bisects the angle PRQ, so both angular components of PRQ must be equal by definition. Note: there are other ways to show why angles 1 and 2 are congruent.

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