That would be some kind of prism. To answer the question more specifically, I would need to know the shape of the bases.
It is a solid shape with two identical and parallel rectangles as bases and four rectangular faces connecting them together. A smoothed brick is an example of a rectangular prism.
hexagonal prism
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cylinder
Prism!
A prism.
They are prisms. The bases may be any polygons with three or more sides.
Sounds like a rectangular solid to me, such as an elongated box.
It is a prism. More specifically, "A solid figure that has two bases that are parallel, congruent polygons and with all other faces that are parallelograms." This describes the general prism. Replace "polygons" with "triangles" and you have specified a triangular prism.
No. All the faces of a Platonic solid are identical regular polygons.
That would be some kind of prism. To answer the question more specifically, I would need to know the shape of the bases.
a prism
A prism. The name of the prism usually reflects the polygonal shape of the bases eg triangular prism or rectangular prism.
Polygon
Platonic
Both a cylinder and a prism can have parallel and congruent bases.