Elementary Geometry for College Students (6th Edition)

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

Chapter 1 - Section 1.2 - Informal Geometry and Measurement - Exercises - Page 18: 26


$\angle$3 is congruent to $\angle$4.

Work Step by Step

Through the properties of parallel lines and transversals, $\angle$3 is congruent to $\angle$4 by the Alternate Interior Angles Theorem (page 75 of your textbook).
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