Answer
M = ((a+c),(b+d))
Work Step by Step
(2a,2b) and (2c,2d)
Using theorem 10.1.2 Midpoint formula
M = ($x_{m}, y_{m}) $ = ($\frac{x1+x2}{2}$, $\frac{y1+y2}{2}$)
M = ($\frac{2a+2c}{2}$, $\frac{2b+2d}{2}$) = ((a+c),(b+d))
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 10 - Section 10.1 - The Rectangular Coordinate System - Exercises - Page 441: 10d
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