A square-based pyramid has
- 4 triangular faces and one square face, for a total of 5 faces.
- 4 edges around the base and one edge from each of the 4 base corners to the apex, for a total of 8 edges.
- 4 triangular faces and one square face, for a total of 5 faces.
- 4 edges around the base and one edge from each of the 4 base corners to the apex, for a total of 8 edges.