Yes and it is a 4 sided quadrilateral
Chat with our AI personalities
it just doesnt exist. parallelogram is a closed shape vth opposite sides parallel adjacent angle not 90 degree. triangle is closed shape vth 3 sides.
A square is a parallelogram a parallelogram isn't always a square. The definition of parallelogram is a closed shape with two parallel sides. So a rectangle is a parallelogram and so is a square and a rombus. The definition of square is shape with four equal sides.
A shape that is a parallelogram but not a quadrilateral doesn't exist.
A shape must have 4 sides in order to be a parallelogram (minus other defining characteristics a shape must have to be a parallelogram).
a parallelogram