Triangular based pyramid
A geometric figure with a polygonal base and triangular sides is called a pyramid.
Pyramid
A pyramid
A triangular based pyramid would fit the given description
A three sided pyramid.
It is a pyramid
Triangular based pyramid
A geometric figure with a polygonal base and triangular sides is called a pyramid.
A rectangular pyramid has 5 faces: a rectangular base, and 4 triangular faces.
triangular pyramid
A three-sided pyramid is called a triangular pyramid or a tetrahedron. It has four faces, with three being triangular faces and one being a triangular base.
pyramid
Pyramid
A pyramid
A hexagonal pyramid.
pentagonal pyramid