Re: [math-fun] flat corners

On 8/9/09, James Propp <jpropp@cs.uml.edu> wrote:

Oops: make that 4 vertices, 12 edges, and 8 faces (check: 4-12+8=0).

I don't think this can be correct. The only polyhedron with 4 vertices is a tetrahedron (4-6+4 = 2). WFL