Changes
A vertex is a point. It cannot be orthogonal.
: You got me. Can't a vertex not be orthogonal? I was relatively weak in the 3-dimensional stuff.--[[User:Aschlafly|Aschlafly]] 23:55, 21 May 2007 (EDT)
::A vertex may be not-orthogonal but in a cube they are. For some reason Rschlafly removed orthogonal. [[User:BrianCo|BrianCo]] 00:25, 22 May 2007 (EDT)
::: A vertex is a point. It cannot be orthogonal. How could a point form a 90-degree angle? Impossible. [[User:RSchlafly|RSchlafly]] 11:48, 22 May 2007 (EDT)
