they are both polygons
The square root of every perfect square is an integer. However, there are also square roots of numbers that are not perfect squares.
Both rectangles and squares are polygons. A square is a special case of a rectangle.
Squares are polygons, but not all polygons are squares.
the answer is a square
Maybe the related link on polygons will help.
they are all polygons
See the Related Link below for pictures of polygons.
Regular Polygons. eg - Square is a regular figure, but a trapezium is not.
They are polygons.
They are both polygons.
A quadrilateral or tetragon.