Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.6 Circles - 8.6 Exercises: 13

Answer

Circumference: 23.55 ft Area: 44.16 ft$^{2}$

Work Step by Step

Circumference of a Circle: $C$ = $\pi$$d$ Therefore: $C$ = (3.14)(7.5 ft) $C$ = 23.55 ft Area of a Circle: $A$ = $\pi$$d$$^{2}$/4 Therefore : $A$ = (3.14)(7.5 ft)$^{2}$/4 $A$ = 44.16 ft$^{2}$
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