If it is a simply connected polyhedron then it is a quadrilateral based pyramid and so has 5 faces.
If it is a simply connected polyhedron then it is a quadrilateral based pyramid and so has 5 faces.
If it is a simply connected polyhedron then it is a quadrilateral based pyramid and so has 5 faces.
If it is a simply connected polyhedron then it is a quadrilateral based pyramid and so has 5 faces.