# 5-D on 2-D

Geometry Level 5

A hypercube in 5 dimensions has $$32 = 2 ^ 5$$ vertices of the form $$( \pm 1, \pm 1, \pm 1, \pm 1, \pm 1)$$.

For each pair of distinct vertices, we connect them up with a line segment and mark the midpoint.

How many (distinct) midpoints have been marked?

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