Any regular polygon with an even number of sides.
Both rectangles and squares are polygons. A square is a special case of a rectangle.
A trapezoid and a rectangle are both polygons.
Both are polygons.
They are both polygons.
They are both polygons.
rectangle
Not normally but they are both polygons
They are both 2 dimensional polygons
They are all polygons
square and rectangle
Yes in general polygons that have equal interior angles also have equal sides and they are said to be regular polygons. But a rectangle is an exception.
Regular polygons. A square and rectangle will have congruent (equal length) diagonals.