Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 8 - Geometry - Review Exercises - Page 612: 15

Answer

a)$10°$ b)$45°$ c)$83°$

Work Step by Step

a) $90 - 80 = 10°$ b) $90 - 45 = 45°$ c) $90 - 7 = 83°$
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