TRUE OR FALSE
1.A quadrilateral is a parallelogram whose non-parallel opposite sides are congruent .
2.A quadrilateral is a parallelogram if both pairs of consecutive angles are complementary.
3.A quadrilateral is a parallelogram if the diagonals bisect each other.
4.A quadrilateral is a parallelogram if each diagonal divides a parallelogram into four congruent triangels.
5.A quadrilateral is a parallelogram if one pair of sides are both parallel ang congruent.
