Answer
44
Work Step by Step
As the number of sides gets larger, the polygon becomes more like a circle. Thus, we treat it like a circle with radius 7:
$C = 2\pi r \\ C = 2 \pi (7) \approx 44$
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
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 374: 39
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