A regular polyhedron (other than a hexahedron), any pyramid, as well as most irregular polyhedra.
Yes.
It is not a regular polyhedron because it has unequal sides
Yes
A polyhedron that has 2 congruent faces is a PRISM. To be a prism, all the other sides (not including the 2 that are congruent) have to be 4-sided.
NO spelling
the names of them are semiregular polyhedron
It is still a polyhedron. It may or may not still be a prism.
yes
Yes, a trapezoidal prism is a polyhedron. A polyhedron is a solid three dimensional object with flat face, straight edges and sharp corners.
A regular polyhedron (other than a hexahedron), any pyramid, as well as most irregular polyhedra.
Yes.
no
Yes, it is.
Yes.
yes it is
Yes.