#### 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$

Published by
Cengage

ISBN 10:
978-1-337-61408-5

ISBN 13:
978-1-33761-408-5

1 inch

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