Elementary Geometry for College Students (5th Edition)

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

Chapter 8 - Section 8.4 - Circumference and Area of a Circle - Exercises: 36

Answer

154

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: $A = \pi r^2 \\ A = \pi (7^2) \approx 154$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.