Elementary Geometry for College Students (5th Edition)

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

Chapter 8 - Section 8.3 - Regular Polygons and Area - Exercises - Page 378: 33

Answer

77.25

Work Step by Step

We know the formula for the area of an octagon: $A = 4.83s^2 = 4.83(4^2) = 77.25$
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