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