charmhoward4654 charmhoward4654 30-06-2019 Mathematics contestada Parallelogram ABCD is a rectangle A (4,3) B(-2,1) D(5,0) 6 8 1 C(-1,-2) What are the slopes of the sides that make this quadrilateral a rectangle? -2 and 12 -12 and 2 -13 and 3 -3 and 13