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: 11

Answer

Circumference: 47.1 cm Area: 176.63 cm$^{2}$

Work Step by Step

Circumference of a Circle: $C$ = $\pi$$d$ Therefore: $C$ = (3.14)(15 cm) $C$ = 47.1 cm Area of a Circle: $A$ = $\pi$$d$$^{2}$/4 Therefore: $A$ = (3.14)(15 cm$^{2}$)/4 $A$ = 176.63 cm$^{2}$
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