Triangles for a triangular prism. Not sure about trangular prism, though.
Chat with our AI personalities
Triangles!
Each and every prism has two parallel congruent bases. It is the shape of these bases that give the name to the prism: a pentagonal prism has pentagons (not necessarily regular) for its bases.
prism
a pentagonal prism
The two nets of a regular right triangular prism are surface area and volume.