Answer
$\overline{MD}$=10.4
Work Step by Step
MB=$\frac{1}{2}$AB
MB=$\frac{1}{2}$(6.4)
MB=3.2
MD=MB+BD
MD=3.2+7.2
MD=10.4
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 1 - Test - Page 68: 10
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