There are many types of Pyramids, and they are named after the shape of their base. Pyramids are generally classified by their bases. The pyramids have square bases, are called square pyramids, a hexagonal pyramid has a base that is a hexagon and the pyramids have triangular bases called as triangular pyramids, and so on. A pyramid is a polyhedron with a polygonal base and triangular sides. A pyramid is named for the shape of its base.

Some of the polygonal pyramids are as follow:

1.Triangular PyramidThe pyramids have triangular bases are called triangular pyramids, also known as a tetrahedron.

**2. Square Pyramid**

The pyramids have square bases are called square pyramids.

3. Pentagonal Pyramid

The pyramids have pentagonal bases are called pentagonal pyramids.