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 88: 23



Work Step by Step

Angles 4 and 5 are alternate interior angles so they are congruent. m$\angle$4=m$\angle$5 5x=4(x+5) 5x=4x+20 x=20
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.