A rectangle is shown on a coordinate plane with vertices, A(Negative 4, 8), B(1, 8), C(1, Negative 1), and D(Negative 4, Negative 1). On a coordinate plane, a rectangle has 4 points. Point A is (negative 4, 8), point B is (1, 8), point C is (1, negative 1), point D is (negative 4, negative 1). What are the dimensions of the rectangle? The base is 4 units and the height is 9 units. The base is 5 units and the height is 7 units. The base is 5 units and the height is 9 units. The base is 9 units and the height is 3 units.