Parallelogram ABCD has vertices at A (0, 0), B (3, 6), C (5, 5), and D (2, -1).
Which conclusion can be made?
O AB=BC; therefore, ABCD is a rhombus.
O AB BC; therefore, ABCD is a square.
O AB= BC; therefore, ABCD is a square.
O ABL BC; therefore, ABCD is a rectangle.