Answer
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
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 6 - Review Exercises - Page 306: 24e
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