a quadrilateral has vertices A(-4, 4), B (-2, -3), C (4, 7), D (6, 0). is the quadrilateral a parallelogram?
A(-4, 4), B (-2, -3), C (4, 7), D (6, 0)
Look at the figure below
Opposite angles are equal
Adjacent angles are supplementary.....thus.....we have a parallelogram
