(AB = 3x), (DC = x + 4), (AD = y + 2), (BC = 2y)
Quadrilateral (ABCD) is a parallelogram if both pairs of opposite sides are congruent. Show that quadrilateral (ABCD) is a parallelogram by finding the lengths of the opposite side pairs.
Which option correctly represents the lengths of opposite side pairs?
a. 5, 25, 2
b. 5, 45, 4
c. 6, 46, 4
d. 8, 6