A pyramid with a hexagonal base has a six sided base and 6 triangular faces.
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
pyramid
pentagonal pyramid
A hexagonal pyramid.
A pyramid
Pyramid
A 3D shape with one base and three faces can only have triangular faces.