Elementary Geometry for College Students (6th Edition)

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

Chapter 2 - Section 2.3 - Proving Lines Parallel - Exercises - Page 87: 7

Answer

Lines p and q must be parallel.

Work Step by Step

Congruent angles 1 and 20 are alternate exterior angles so lines p and q must be parallel.
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