none because its the same from every angle
A cylinder
There are many possible answers: a frustrum of a cone, a sphere or torus intersected by a pair of parallel planes, a circular prism (cylinder) are some.
A rectangular pyramid has no circular bases.
Half of a sphere with a circular base is called a Hemisphere.
None. By definition, a triangular prism has triangular bases. If it had circular bases it would be a circular prism (cylinder).
None because it's a circular shape.
A cube does not have any circular bases; it has six square faces. Each face is flat and has straight edges, with no curves or circular shapes. Therefore, the answer is zero circular bases.
one base
Only ONE!
128
None!
none