trangular pirimad
i think
It has eight faces, hence the name octagonal pyramid.
pyramid
A 3d shape with 5 faces can be a square pyramid
A Pyramid
It is a triangular prism.
It is a tetrahedron which is a triangular based pyramid
There is no 3-d shape with 4 and 1 = 5 triangular faces.
It has eight faces, hence the name octagonal pyramid.
pyramid
A 3d shape with 5 faces can be a square pyramid
sqare based pyramid
A Pyramid
It is a triangular prism
It is a triangular prism.
Triangular prism
All except the base are always triangles; the shape of the base gives the name to the pyramid; eg a pentagonal pyramid has a pentagon as the base and five triangular faces; a triangular pyramid has three triangular faces and also has a triangle for the base.
triangular prism