## Basic College Mathematics (9th Edition)

Published by Pearson

# Chapter 8 - Geometry - 8.6 Circles - 8.6 Exercises: 12

#### Answer

Circumference: 122.46 ft Area: 1193.98 ft$^{2}$

#### Work Step by Step

Circumference of a Circle: $C$ = $\pi$$d Therefore: C = (3.14)(39 ft) C = 122.46 ft Area of a Circle: A = \pi$$d$$^{2}$/4 Therefore : $A$ = (3.14)(39 ft)$^{2}$/4 $A$ = 1193.98 ft$^{2}$

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