Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 9 - Section 9.1 - Lines and Angles - Exercise Set: 53

Answer

$65^o$

Work Step by Step

If an angle is made up of 2 other angles, its measurement is the same as the sum of the measurements of the 2. $15+50=65$
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