a triangle- based pyramid has 4 faces
a triangular based pyramid has 4 faces.
It has six faces.
An octagonal based pyramid has 9 faces
A square based pyramid has 8 edges and 5 faces.
one
A square-based pyramid has five faces -- the square base and four triangular faces.
5 for a square based pyramid
6 faces
5 faces
A square pyramid will not have any curved faces.
5