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: 13a


7 sides

Work Step by Step

S=(n-2)$\times$180 180n=S-360 n=$\frac{S+360}{180}$ n=$\frac{900+360}{180}$ n=7
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