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: 45

Answer

AB = 10.9

Work Step by Step

According to the problem AB = BC = CD, therefore we can substitute x in for all three line segments. Step 1: AB + BC + CD = AD Step 2: x + x + x = AD Step 3: Substitute 32.7 for AD. x + x + x = 32.7 Step 4: Simplify the left side of the equation. 3x = 32.7 Step 5: Divide both sides by 3. $\frac{3x}{3}$ = $\frac{32.7}{3}$ Step 6: Simplify. x = 10.9 AB = 10.9
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