If it has a square base, one. Squares don't crop up all that often.
Chat with our AI personalities
triangular pyramid
A square based pyramid has 4 triangular faces and 1 square face.
There are many but I guess that the answer that you are looking for is a pyramid.
0, a triangular pryamid (or tetrahedron) is made up of four triangular faces.
It has 8 vertices.