Answer
153.9
Work Step by Step
Using 3.14 for pi as well as the equation for the area of a circle, we find:
$$A=\pi r^2 \\ A=3.14r^2 \\ A=3.14(7^2) \\ A=153.9$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 4 - Polynomials - 4.3 Polynomials - 4.3 Exercise Set - Page 252: 65
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