Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 6 - Review Exercises - Page 315: 24i

Answer

$4\sqrt{3}$

Work Step by Step

We use the theorems in the chapter to obtain: $(CD+ED)CD = FC^2 \\ FC= \sqrt{(8+4)(4)}=\sqrt{48} = 4\sqrt{3}$
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