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

Published by Cengage

# Chapter 6 - Review Exercises - Page 315: 24e

BC=4

#### Work Step by Step

BC(AB+BC)=CF$^2$ 5BC+BC$^2$=36 BC$^2$+5BC-36=0 (BC+9)(BC-4)=0 BC=4

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