Answer
10.4
Work Step by Step
M is the midpoint of line segment AB, so we know:
$$ MD= .5AB + BD \\ MD = (.5)(6.4) + 7.2 \\ MD = 10.4$$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 1 - Test - Page 77: 10
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