Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 8 - Section 8.5 - More Area relationships in the Circle - Exercises - Page 389: 16

Answer

1 inch

Work Step by Step

We first find the perimeter of the rectangle: $P = 3 +5 +6=14$ We now find the radius: $ A = (1/2)(P)(r) \\ r = \frac{2A}{P} = \frac{2(7.48)}{14} \approx 1$
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