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: 13

Answer

40.96 $cm^{2}$

Work Step by Step

Given apothem of length 3.2 cm Perimeter = 25.6 cm The area of a regular polygon whose apothem has length a and whose perimeter P is given by A = $\frac{1}{2}$ ap A = $\frac{1}{2}$ *3.2 * 25.6 A = 40.96 $cm^{2}$
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