## Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole

# Chapter 9 - Review Exercises - Page 431: 3

#### Answer

The dimensions are 6 in by 6 in by 20 in. The volume is 720 in$^3$.

#### Work Step by Step

h=height s=side of the base h=3s+2 480=4(3s+2)(s) 480=12s$^2$+8s 3s$^2$+2s-120=0 (3s+20)(s-6)=0 s=6 h=3(6)+2 h=20 V=h(s$^2$) V=20(36) V=720

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