Most things do not have two congruent parallel bases. I do not, by desk does not, my lap top does not, etc etc.
A square.
prism
A prism
A cylinder
A prism has two congruent parallel bases.
Both a cylinder and a prism can have parallel and congruent bases.
Most things do not have two congruent parallel bases. I do not, by desk does not, my lap top does not, etc etc.
No. The other two sides are congruent.
parallelogram, because if the two bases are congruent and parallel then the sides will also have to be parallel, so it is a parallelogram
It can, but need not. Only a right prism must.
An upright pentagonal prism has two congruent parallel bases and 15 edges.
A square.
prism
no
A cylinder
Its "bases"