Because - the angles formed where each face joined, would prevent you forming a polyhedron.
The number of edges and vertices ina polyhedron will depend on the polyhedron one selects either to study, build or etc...
If you want to make a 3d paper polyhedron there are some cut outs you can print from http://local.wasp.uwa.edu.au/~pbourke/geometry/polycuts/
Regular expression is built in and the regular definition has to build from regular expression........
Yes, it is possible. Their existence is proof.
It is possible, yes.
Try to build it and you'll find out
It took about 15 years to build a regular Maya temple.
as far away from yours as possible
At the moment you do not have the option to build a house in DeadFrontier.
Yes.
Not Yet
yes