a rectangle
Explanation:Quadrliaterals which have 4 right angles are squares and rectangles.
The 4 sides of the a square are equal. Hence, it cannot be a square.
Properties of a rectangle:
- It has 4 right angles
- the opposite sides are parallel
- the opposite sides are congruent
- diagonals are congruent
The quadrilateral which fits the desciption in the question is a rectangle.
