Elementary Geometry for College Students (5th Edition)

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

Chapter 1 - Section 1.2 - Informal Geometry and Measurement - Exercises: 44

Answer

m$\angle$ ABC = x + y

Work Step by Step

Step 1: m$\angle$ 1 + m$\angle$ 2 = m$\angle$ ABC. Step 2: Substitute x for m$\angle$ 1 and y for m$\angle$ 2. Step 3: x + y = m$\angle$ ABC.
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