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# How many faces does a triangular pyramid have?

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A triangular pyramid has three lateral faces and a triangular base. The construction of a pyramid requires a polygonal base with triangular lateral faces that meet at a common vertex.

## Keep Learning

The shape of a pyramid's base determines its name. The number of sides of the base polygon determines the number of faces of the pyramid. The pyramids of Egypt are square pyramids. Some have smooth faces, while others have stepped faces. The triangle creates great structural strength in architecture. Of the seven wonders of the ancient world, only the Pyramid at Gaza remains. Pyramids serve as the tombs for ancient royalty.

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## Related Questions

• A:

A pentagonal prism has five lateral faces and two pentagonal bases, which equal seven faces. A prism has two congruent polygons that form the top and bottom of the shape. These polygons are referred to as bases. The remaining sides are referred to as lateral faces.

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• A:

A triangular pyramid has four vertices. A square pyramid has five vertices. Other pyramids have a greater number of vertices depending on the shape of the base.

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• A:

A triangular pyramid has six edges. The base of the pyramid is a triangle and the three sides are also triangles. Another name for a triangular pyramid is a tetrahedron.

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• A:

A square-based pyramid is a pentahedron with a base shaped like a square. This means that the square base has four sides that are all equal. The pyramid has five faces, consisting of its base and four triangles as sides.