If they are really a square or a rectangle it would be equally easy, because they'd all be 90 degrees
A square or a rectangle
A square and a rectangle.
A rectangle, or could be a square if lengths are the same.
A square and a rectangle.
It is a square or a rectangle where each interior angle is a right angle of 90 degrees.
a square or a rectangle
A rectangle or a square.
A square and a rectangle
A square or a rectangle
A square or a rectangle
A square or a rectangle
A square and a rectangle.
A rectangle, or perhaps a square.
A square, A rectangle
square and rectangle
A square or a rectangle.
Either a square or a rectangle fit this category.