Quadrilateral ABCD has vertices A(3,3), B(8,2), C(6,-1), and D(1,0). Determine if ABCD is a parallelogram by testing to see if both sets of opposite sides are parallel. m=y2-y1/x2-x1

Quadrilateral ABCD has vertices A33 B82 C61 and D10 Determine if ABCD is a parallelogram by testing to see if both sets of opposite sides are parallel my2y1x2x1 class=