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: 16

Answer

2192.4 $cm^{2}$

Work Step by Step

A dodecagon has twelve sides, so the perimeter is 12 x 14 = 168. A=$\frac{1}{2}$ap A=$\frac{1}{2}$(26.1)(168) A=2192.4
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