Elementary Geometry for College Students (5th Edition)

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

Chapter 2 - Section 2.5 - Convex Polygons - Exercises - Page 105: 15a


5 sides

Work Step by Step

I=$\frac{(n-2)\times180}{n}$ n(I-180)=-360 n=$\frac{-360}{(I-180)}$ n=$\frac{-360}{(108-180)}$ n=5
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