The answer to this question is really straight forward........square! Obviously.
rectangle
no a quadralateral shape is simply a shape with 4 sides. (quad means 4)
If the diagonals of a quadrilateral are perpendicular to each other, then the quadrilateral is a square.Or a kite.
a square or a rectangle
A rectangle or a square.
A square or a rectangle
That is called a rectangle.
A quadrilateral with all right angles is a rectangle.
Either a square or a rectangle
A square or a rectangle
trapezoid
It is a square or a rectangle where each interior angle is a right angle of 90 degrees.