A rectangular prism with 6 congruent faces is called a cube.
Faces?
A base.
A rectangular prism has: 6 faces 8 vertices (points) 12 edges
in the 120s the anceient lords declard that this very unusual shape shall be called rectangular prism
A rectangular prism with 6 congruent faces is called a cube.
A rectangular prism?
I have never heard of a square prisim it is almost always called a rectangular prisim so yes.
Faces?
A base.
A rectangular prism has: 6 faces 8 vertices (points) 12 edges
in the 120s the anceient lords declard that this very unusual shape shall be called rectangular prism
A cube cannot be a rectangular prism, as the cross section of this prism would be a rectangle, as opposed to a square. A square prism (if that is what it is called) could be a cube, but is not necessarily.
A rectangular prism, also called a [rectangular] cuboid.
It is called its volume.
It is simply called its top.
Rectangular prism = 6Triangular prism = 5 Triangular pyramid = 4 Rectangular prism: it is still 6 Rectangular pyramid = 5.