Triangles. The base is clearly a square.
Chat with our AI personalities
isosceles triangles
A square pyramid has a square base and four congruent triangular faces.
there are 4 triangles in a square pyramid.
I would say a square-based pyramid but there are many 3 dimensional shapes with 5 sides.* * * * *The generic name is a pentahedron.
Triangular based Pyramid