Many, an unspecified number. Poly, in Greek, means many. Polyhedra (singular polyhedron) means "many faced".
Chat with our AI personalities
Bipyramids are a class of polyhedra with more faces than vertices.
There are many. All polyhedra have ONLY flat faces but many other shapes have flat faces such as a hemisphere or an octant or a cylinder.
Regular polyhedra have identical faces.
There are infinitely many polyhedra all of whose faces are triangular.
The simplest stellated polyhedral shape is the stellated tetrahedron with 12 faces (3 * 4) Others have more faces.