Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 12 - Section 12.1 - Angles and Polygons - Exercise - Page 387: 16



Work Step by Step

Supplementary angles total $180^o$. Since one of the angles measures 63 degrees, we know that the other supplementary angle has a measure of $180-63$ degrees. $180-63=117$
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