Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 7 - Section 7.3 - More about Regular Polygons - Exercises - Page 333: 25

Answer

6 sides

Work Step by Step

c=$\frac{360}{n}$ I=$\frac{180(n-2)}{n}$ I=c+60 $\frac{180(n-2)}{n}$=$\frac{360}{n}$+60 180n-360=360+60n 120n=720 n=6
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