Geometry: Common Core (15th Edition)

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

Chapter 8 - Right Triangles and Trigonometry - Common Core Cumulative Standards Review - Selected Response - Page 539: 7



Work Step by Step

If $m \angle 2 = m \angle 3$, then the lines are parallel. If two lines are parallel and they are cut by a transversal, then alternate interior angles are congruent. The answer is option $A$.
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