4
4 of the faces of a Rectangular Pyramide are triangles.
A square based pyramid has 4 triangular faces.
5 faces: 1 rectangle and 4 triangles.
A pyramid has a variable number of triangular faces. The base of a triangle can be practically any regular shape, starting with a triangle. Technically a pyramid can have four or more triangles as faces.
Two. Triangles and a square
Two. 4 faces are triangles and the base is a square.
A hexagonal pyramid has 6 triangular faces that meet at a point. It has 6 triangles and 1 hexagonal base.
24 faces. A 23-gon base, and 23 triangles.
Just one: the base. The other 4 faces are triangles.
There are 12 lateral faces (triangles) and one base so altogether there are 13 faces.
A square based pyramid has 4 triangular faces and 1 square face.
Five. Four triangles and one square make up a square pyramid.