Geometry: Common Core (15th Edition)

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

Chapter 2 - Reasoning and Proof - 2-6 Proving Angles Congruent - Lesson Check: 2

Answer

B) 20

Work Step by Step

Use the Vertical Angles Theorem to write an equation and solve for x. $6x+16=136\longrightarrow$ Subtraction Property of Equality $6x=120\longrightarrow$ Division Property of Equality $x=20$
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