## Elementary Geometry for College Students (7th Edition)

Published by Cengage

# Chapter 2 - Section 2.5 - Convex Polygons - Exercises - Page 114: 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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