When given the information below, can you conclude that quadrilateral wxyz is a parallelogram? why or why not? in quadrilateral wxyz, the sides have the following slopes: wx: m = 1/3 xy: m = -3 yz: m = -3 wz: m = 1/3
a) no, because opposite sides are not congruent
b) no, because opposite sides are not parallel
c) yes, because opposite sides are congruent
d) yes, because opposite sides are parallel