Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 1 - Section 1.4 - Angles and Their Relationships - Exercises - Page 37: 3b

Answer

$37^\circ$ and $143^\circ$ are supplementary angles.

Work Step by Step

Since $37^\circ+143^\circ=180^\circ$, those are supplementary angles.
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