Which statement about this parallelogram and rhombus is true? a. both have 2 pairs of parallel sides, but the parallelogram has 2 pairs of congruent sides and the rhombus has 4 congruent sides. b. both have 2 pairs of parallel sides, but the rhombus has 2 pairs of congruent sides and the paralleogram has 4 congruent sides. c. both have 4 congruent angles, but the parallelogram has 2 pairs of congruent sides and the rhombus has 4 congruent sides. d. both have 4 congruent angles, but the rhombus has 2 pairs of congruent sides and the quadrilateral has 4 congruent sides.