Elementary Geometry for College Students (5th Edition)

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

Chapter 7 - Section 7.3 - More about Regular Polygons - Exercises - Page 343: 20b

Answer

5

Work Step by Step

n=$\frac{360}{m\angle C}$ n=$\frac{360}{72}$ n=5
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