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 - Page 20: 36

Answer

AB = 14.

Work Step by Step

Step 1: Begin with the equation AB + BC = AC Step 2: Substitute 25 for and 11 for BC. So, AB + 11 = 25 Step 3: Subtract 11 from both sides. AB + 11 - 11 = 25 - 11 Step 4: Solve. AB = 14.
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