rectangle
It is a rectangle.
It is a rectangle.
Triangular faces (and cross section).
It is a rectangle.
The cross section can be a triangle, rectangle or a hexagon.
rectangle
Yes
rectangle
It is a rectangle.
It is a rectangle.
Some cross sections are rectangle and octagon.
Triangular faces (and cross section).
It is a rectangle.
The answer depends on the inclination of the intersecting plane. The cross section can be a point, a triangle, a rectangle, a pentagon or a hexagon.
To find the volume of a prism you first need to know the area of cross section. Then, Volume of prism = area of cross section x length.
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.