They are all called 4 sided quadrilaterals
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The lateral faces of a prism are either squares, rectangles or parallelograms. If the prism is oblique then the faces must be parallelograms and not rectangles or squares.
Squares, parallelograms, rhombuses, and trapezoids are quadrilaterals that are not rectangles.
squares, rectangles, rhombuses
Yes. Squares are just complex rectangles, as the definition of a rectangle is that it has four right angles with opposite sides being parallel.
Circles don't, but the others do, if you think of squares and rectangles as parallelograms.