A base
Chat with our AI personalities
the difference between a pyramid and prism (in geometry) is that a pyramid has one base and lateral faces that are triangles where prisms have two congruent bases and lateral faces that are parallelograms
A Prismthe faces are called bases
A Base. * * * * * What? Every prism, by definition, has two congruent faces which may be called the bases of the prism.
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.
They are prisms. The bases may be any polygons with three or more sides.