Triangular prism
A Triangular Prism
Triangular prism
triangular prism
A prism
Tetrahedron has three sides and a base all triangular.
The triangular pyramid has.
That would have to be a triangular prism
A triangular pyramid is a tetrahedron, or a solid three-dimensional figure made up of four triangular faces.
A triangular based pyramid would fit the given description
A three dimensional triangular figure with three faces and a base is called a triangular pyramid. It has four vertices, four faces, and six edges.
A triangular prism.