Top and sides
Triangles. The base is clearly a square.
The base is a square, while the four sides are all triangles.
Square Pyramid has a square base and 4 triangular sides. Triangular Pyramid has a triangle base and 3 triangular sides.
Triangular. the base is square, with four other triangular faces.
The four faces of a square pyramid are triangular shapes and the base is a square.
It has a triangle and a square.
Triangles (four of) and a square.One square as base and four triangles as sides.
A pyramid has 5 shapes 4 triangles and 1 square.
there are 4 triangles in a square pyramid.