Question

Draw the following rectangular prism:

The object has six faces. All faces are squares

.

4.2.1.Can you be sure that it is actually a rectangular prism? If you

think you cannot be sure, explain why.

Answer 1

When all six faces are squares it looks ike the following .

It is a rectangular prism because a square has only right interior angles and if a straight line is perpendicular to two interesting straight lines, lying in a plane,  

 then it is perpendicular to this plane. Thus, all faces will be rectangles, a square is a particular case of a rectangle.