The triangular prism shown has1,2,3 or 5 triangular faces and 1,2,3, or 5 lateral faces.
The area of one triangular face is 7.5,8.125,15,or 17
" mm2
The surface area of the triangular prism is 55.5,127.5,135,or 150
mm2​

The triangular prism shown has123 or 5 triangular faces and 123 or 5 lateral facesThe area of one triangular face is 75812515or 17 mm2The surface area of the tr class=