Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - Chapter Summary, Review, and Test - Review Exercises - Page 680: 7

Answer

angle $5$

Work Step by Step

Supplementary angles are angles whose sum is 180 degrees. When these angles are adjacent, they make a straight line. Thus, in the given figure, the supplement of angle 6 is angle 5.
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