Elementary Geometry for College Students (5th Edition)

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

Chapter 1 - Section 1.5 - Introduction to Geometric Proof - Exercises: 9

Answer

The angle addition postulate.

Work Step by Step

This postulate proves that the measure of a split angle is equal to the sum of the angles within it.
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