Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 8 - Section 8.4 - Circumference and Area of a Circle - Exercises - Page 372: 5b

Answer

radius = 30 ft diameter = 60 ft

Work Step by Step

The circumference of the circle = 60$\pi$ ft The circumference of the circle is given by the formula c= $\pi$ d = 2$\pi$ r therefore 2$\pi$ r = 60$\pi$ 2r = 60 r = $\frac{60}{2}$ = 30 ft Therefore diameter of the circle = 2r = 2* 30 = 60 ft
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