4 triangular lateral faces
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An octagonal pyramid has9 faces 9 vertices 16 edges.
A square pyramid has a square base and four triangles attached to each of the square's edges which meet at a vertex (the apex) above the square.A cylinder had two parallel circular faces with a curved surface joining them.
A square does not have rectangular faces.
A square prism has six faces.
A cube has 6 square faces.