In geometry, a right triangular prism is a three-sided prism. A polyhedron with two congruent and parallel faces and whose lateral faces are parallelograms. The shape of the base gives the prism its name. That is, a prism with triangular bases is a triangular prism. A Triangular Prism is a polyhedron made of a triangular base and 3 faces joining corresponding sides.


Triangle Prism
 

A triangular prism is a prism composed of two triangular bases and three rectangular sides. A solid object that has two identical ends and all flat sides. The shape of the base give the prism a name, a prism with triangular bases is called as triangular prism. A right triangular prism is a prism whose bases are triangles. A right triangular prism, the word right describes the prism, whereas the word triangle refers to the triangular base.