Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 8 - Section 8.4 - Circumference and Area of a Circle - Exercises - Page 372: 6b

Answer

radius = 25 m diameter = 50 m

Work Step by Step

The circumference of the circle = 157 m The circumference of the circle is given by the formula c= $\pi$ d = 2$\pi$ r therefore 2$\pi$ r = 157 2*3.14*r = 157 r = $\frac{157}{3.14* 2}$ = 25 m Therefore diameter of the circle = 2r = 2* 25 = 50 m
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