5 faces
5
There are 5 Faces on a triangular prism. There are 9 Edges on a Traingular prism.
There are 2 triangle base faces, and 3 rectangle faces. 5 total faces.
2
5
2
4
a 2d triangle has 1 face known as a plane but a triangular prism has 4 faces
5
7
2 of them.