A pyramid will have as many triangular faces as the number of sides its base has, plus one in the shape of its base. This means an octagon based pyramid has nine faces (eight triangular ones plus the octagon base).
a triangular based pyramid has 4 faces.
12
An octagonal based pyramid has 9 faces
A square based pyramid has 8 edges and 5 faces.
5 faces
8
a triangle- based pyramid has 4 faces
a triangular based pyramid has 4 faces.
12
An octagonal based pyramid has 9 faces
A square based pyramid has 8 edges and 5 faces.
A square based pyramid has 5 faces whereas a triangular based pyramid which is a tetrahedron has 4 faces.
Nine; eight triangular faces which all meet at the apex and the base, which is in the shape of an octagon.
A square-based pyramid has five faces -- the square base and four triangular faces.
5 for a square based pyramid
6 faces
5 faces