Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.3 - More on Solving Equations and Problem Solving - Problem Set 3.3 - Page 115: 44


The area is 616 square meters.

Work Step by Step

The formula for the area of a circle is $\pi$ $\times$ $r^{2}$ Substitute 14 for r and 3$\frac{1}{7}$ = $\frac{22}{7}$ for $\pi$ to obtain: A = $\frac{22}{7}$ $\times$ $14^{2}$ A = $\frac{22}{7}$ $\times$ 196 A = 22 $\times$ 28 A = 616 square meters. *Note, $\pi $ is about 3.1415, which we approximated as $\frac{22}{7}$.
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