Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 10 - Area - 10-3 Areas of Regular Polygons - Practice and Problem-Solving Exercises: 13

Answer

12,080 $in^{2}$

Work Step by Step

An octagon has eight sides, so the perimeter is 8 x 50 = 400. A=$\frac{1}{2}$ap A=$\frac{1}{2}$(60.4)(400) A=12080
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