State the converse and contrapositive of each of the following statements:
If a quadrilateral is a parallelogram, then its diagonals bisect each other.
Definition of Converse: A conditional statement is not logically equivalent to its converse.
Definition of contrapositive: A conditional statement is logically equivalent to its contrapositive.
Converse: If the diagonals of a quadrilateral bisect each other, then it is a parallelogram.
Contrapositive: If the diagonals of a quadrilateral do not bisect each other, then the quadrilateral is not a parallelogram.