Answer
$117^o$
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.
$180-63=117$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
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
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