Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.5 Evaluating Expressions and Formulas - 9.5 Exercises: 41

Answer

C $\approx$ 25.12 km

Work Step by Step

C = 2 $\pi$r where $\pi$is approximately 3.14, r is 4 km What is the area if $\pi$ is approximately 3.14 and r is 4 km Evaluate the formula by replacing $\pi$ with 3.14 , r with 4 km C = 2 * 3.14 * 4 km $\approx$ 25.12 km
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