Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 8 - Geometry - Summary Exercises - Perimeter, Circumference and Area - Page 578: 18

Answer

$A =86in^2$

Work Step by Step

$A = 20^2 - 3.14*(\frac{20}{2})^2 = 20^2 - 3.14*10^2 = 400 - 3.14*100 = 400 - 314 = 86in^2$
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