one
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A pyramid has one base. Whichever side is on the bottom is called the base.
it depends on the the kind of shape it is.
Bases and faces are the same, so a triangular prism will have 6 faces/bases.
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5
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A pyramid, by definition, has one base.
5 faces
Five.
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A rectangular pyramid has 5 bases. The base of a pyramid is the polygon upon which the pyramid stands, and in the case of a rectangular pyramid, there are four triangular faces that meet at a single rectangular base. So, the total number of bases in a rectangular pyramid is 1 (rectangular base) + 4 (triangular faces) = 5 bases.
Triangular Pyramid, Squared Pyramid, Pyramid