Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 2 - Section 2.3 - Proving Lines Parallel - Exercises - Page 87: 12

Answer

Lines l, m, and n must be parallel.

Work Step by Step

Given that l$\parallel$m and m$\parallel$n, you can use substitution to prove that l$\parallel$n must also be true. Therefore, all three lines are parallel to each other.
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.