Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 8 - Geometry - Summary Exercises - Perimeter, Circumference and Area - Page 578: 15


a) $r = 4.5ft$ b) $C = 28.3ft$ c) $A = 63.6ft^2$

Work Step by Step

a) $r = 9\div2 = 4.5ft$ b) $C = 2*3.14*4.5 =28.3ft$ c) $A = 3.14*4.5^2 = 63.6ft^2$
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