Four
A pyramid can have 0 or 1 square faces. It can have 4 or more faces - there is no limit.
The answer is no. A square pyramid can not have all triangle faces because the base of this particular pyramid would be a square.
The faces are the flat, triangle-shaped surfaces that make up the surface of the pyramid. A pyramid has four faces.
A triangular-based pyramid has 4 corners, 4 faces and 6 edges.
four triangle faces.
a triangle- based pyramid has 4 faces
four
Four
A pyramid can have 0 or 1 square faces. It can have 4 or more faces - there is no limit.
The answer is no. A square pyramid can not have all triangle faces because the base of this particular pyramid would be a square.
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.
four sides and a base
1 for a 2d and triangular pyramid-5 
The faces are the flat, triangle-shaped surfaces that make up the surface of the pyramid. A pyramid has four faces.
A triangular-based pyramid has 4 corners, 4 faces and 6 edges.
A triangle.