## Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole

# Chapter 2 - Section 2.5 - Convex Polygons - Exercises: 7b

#### Answer

1440$^{\circ}$

#### Work Step by Step

S=(10-2)$\times$180 S=(8)$\times$180 S=1440$^{\circ}$

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