one
None!
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.
The base is the bottom, so a square-based pyramid has ONE base.
One
7
A pyramid, by definition, has one base.
One
one
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.
None!
A rectangular pyramid has no circular bases.
Just 1 base
it depends on the the kind of shape it is.
It has one base.
Bases and faces are the same, so a triangular prism will have 6 faces/bases.