Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 3 - Parallel and Perpendicular Lines - 3-3 Proving Lines Parallel - Lesson Check - Page 160: 2

Answer

Theorem 3.7: Converse of the Alternate Interior Angles Theorem

Work Step by Step

In the diagram, the angles marked as congruent are alternate interior angles.
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