Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 5 - Section 5.3 - Proving Lines Parallel - Exercises - Page 245: 42

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
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