Answer
$d = \sqrt{(a+c)^2 + (b+d-2e)^2}$
Work Step by Step
We find the median of AC:
$M = (\frac{2a+2c}{2}, \frac{2b+2d}{2}) = (a+c,b+d)$
We now use the distance formula:
$d = \sqrt{(a+c)^2 + (b+d-2e)^2}$
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 10 - Review Exercises - Page 491: 31a
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