They are prisms.
A prism.
A triangular prism or a cuboid as it seems would fit the given description
Three congruent rectangles.
The lateral faces will be parallelograms, and the opposite faces will be congruent. In a right prism, the lateral faces will be rectangles.
They are prisms.
It is called a prism.
A prism.
A triangular prism or a cuboid as it seems would fit the given description
A prism..
Three congruent rectangles.
A rectangular prism has congruent bases and parallelograms as lateral surfaces.
The lateral faces will be parallelograms, and the opposite faces will be congruent. In a right prism, the lateral faces will be rectangles.
A prism has 2 congruent parallel faces called bases. The other faces, most often rectangles, are called lateral faces. The prism is named by the shape of its base.
The description given could fit that of a triangular prism.
cylinder
Cylinder