A triangular prisim
A rectangular prism (8).
The rectangular pyramid - it has a square base, so has four vertices rather than the three of a triangular one.
A rectangular pyramid.
A tetrahedron (triangular pyramid).
A Rectangular Pyramid.
A rectangular pyramid has 5 faces: a rectangular base, and 4 triangular faces.
A pentagonal pyramid or a triangular prism.
# Square Pyramid # Rectangular Pyramid # Triangular Pyramid