A square based prism.
a cube
A square based pyramid
A solid figure with twenty faces is called an Icosahedron.
A rectangular prizm
a square, a rectangular solid
A square is not a solid figure at all. It's a flat figure, with four congruent faces and four congruent angles.
cube!!
a cube
square
a square
A square or rectanglular pyramid are the only solid figures that have exactly five faces.
It is a regular quadrilateral which is a square
A square pyramid
square pyramid rectangular prism
Despite the blind answer of many uneducated users of this site, a pentagon is 2 dimensional with 5 SIDES, thus not a solid figure. A pentahedron, though, is a solid figure of five FACES. PENTAHEDRON
A square based pyramid
A square-based pyramid.