Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - 1-5 Exploring Angle Pairs - Lesson Check: 1

Answer

AFE and CFD or AFC and EFD

Work Step by Step

Vertical angles are across from one another when two lines intersect. The definition fits both pairs of angles provided.
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