Posted by **Blonde Glamour** on Thursday, December 21, 2006 at 3:53pm.

suppose n points are in space, no three are collinear and no four or are coplanar. How many tetrahedral can be formed with these points as vertices?

1/24 *n*(n-1)*(n-2)*(n-3)

- math -
**alex**, Tuesday, August 23, 2011 at 4:49pm
what is math

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