Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - 1-4 Measuring Angles - Apply What You've Learned: b

Answer

$21s+6=48$

Work Step by Step

Becuase the diagram shows us the angles are congruent, we know the measures of the angles are equal.
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