Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 8 - Geometry - Summary Exercises - Perimeter, Circumference and Area - Page 578: 14


a) $r = 15mi$ b) $C = 94.2mi$ c) $A = 706.5mi^2$

Work Step by Step

a) $r = 30\div2 = 15mi$ b) $C = 2*3.14*15 = 94.2mi$ c) $A = 3.14*15^2 = 706.5mi^2$
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