Answer
$\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).
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 1 - Section 1.2 - Informal Geometry and Measurement - Exercises - Page 19: 26
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