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They are prisms.
It is called a prism.
A prism..
A prism.
hexagonal prism
cylinder
Cylinder
A rectangular prism has congruent bases and parallelograms as lateral surfaces.
A triangular prism or a cuboid as it seems would fit the given description
The figure would be a prism. However, congruent polygons in parallel planes are called bases.
Platonic
A prism. A triangular prism has two congruent triangles as bases, rectangular prism, pentagonal prism, etc.