Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 2 - Section 2.5 - Convex Polygons - Exercises - Page 100: 5a


5 diagonals

Work Step by Step

D=$\frac{n(n-3)}{2}$ D=$\frac{5(5-3)}{2}$ D=$\frac{10}{2}$ D=5
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