Prealgebra (7th Edition)

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

Chapter 9 - Cumulative Review - Page 696: 44

Answer

$43$ $degrees$

Work Step by Step

Supplementary angles are the two angles that together equal 180 degrees. So, to find it, simply subtract as done below: $180$ $-$ $137$ $=$ $43$ $degrees$
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