Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 1 - Section 1.3 - Introduction to Geometric Proof - Exercises - Page 54: 7

Answer

Definition of supplementary angles.

Work Step by Step

The given conclusion can be made using the definition of supplementary angles as proof.
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