A pyramid is a shape that has a base and triangular sides. ... This pyramid has a square base and four triangular sides. The pyramids of Egypt were built in this shape.

Is the base of a pyramid always a square?

A regular pyramid has a regular polygon base and is usually implied to be a right pyramid. When unspecified, a pyramid is usually assumed to be a regular square pyramid, like the physical pyramid structures. ... A right-angled pyramid has its apex above an edge or vertex of the base.

What shape base does a pyramid have?

The base of the pyramid is a triangle, and the lateral faces are also triangles. The net of a rectangular pyramid consists of one rectangle and four triangles. The rectangle is the base of the pyramid, and the triangles are the lateral faces.