The most simple pyramid is a tetrahedron. This pyramid has four faces, all triangles. If the pyramid was a cone then it could have two faces.
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Number of faces on a square pyramid is 5.
7 faces.
If the number of vertices is not the same as the number of faces, it cannot be a pyramid.
what is the number faces does a triangular pyramid have
4 faces. The number of faces on a pyramid is one more than the number of sides of the base. A triangle has 3 sides, therefore a triangular pyramid has 3 +1 = 4 faces.