# geometry

The endpoints of a line segment are (-2, 5) and (8, 13), determine the midpoint of the line.
x_m = (x_1 + x_2)/2

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1. hmmm. you have the formula. What's the trouble?

The same formula applies for ym: (y1+y2)/2

A value midway between two others is just their average: the sum/2.

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posted by Steve

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