Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 8 - Section 8.5 - More Area Relationships in the Circle - Exercises: 12


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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