Answer
BD=6.4
Work Step by Step
AD$^2$=AC$^2$-DC$^2$
AD=8
$\frac{BD}{AD}$=$\frac{AD}{AC}$
$\frac{BD}{8}$=$\frac{8}{10}$
10BD=64
BD=6.4
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 5 - Review Exercises - Page 263: 30b
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