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December 22, 2014

Homework Help: Math Geometry

Posted by Urgent pls help on Monday, March 18, 2013 at 2:56am.

A cube has 8 vertices. For each pair of distinct vertices, we connect them up with a line segment. There are
(8)
(2) =28
such line segments. For each of these 28 line segments, we mark the midpoint. How many distinct points have been marked as the midpoints?

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