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: 33

Answer

A = $\approx$78.5 $yd^{2}$

Work Step by Step

A = $\pi$$r^{2}$ $\pi$ is approximately 3.14, r= 5 yd In this formula, r is the radius of the circle. What is the area if r is 5 yd and $\pi$ is 3.14 A = $\pi$$r^{2}$ = 3.14 * $5^{2}$ (Apply exponent first) = 3.14 * 25 $\approx$78.5 $yd^{2}$
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