Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 5 - Section 5.3 - Proving Lines Parallel - Exercises - Page 243: 40

Answer

The proof is in the following form: Column 1 of proof; Column 2 of proof. Thus, we have: 1. The midpoint of both sides breaks the sides into even segments; definition of a midpoint. 2. The two sides of the original triangle are proportional to the two sides of the new triangle; this follows from (1). 3. The angle shared is congruent to itself; identity property 4. The two triangles are similar; SAS
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.