Prove using vectors: The diagonals of a quadrilateral bisect each other iff it is a parallelogram.

If the diagonals of a quadrilateral bisect each other then it is a

Prove by vector method that the diagonals of a quadrilateral bisect each other iff is a parallelogram.

If the diagonals of a quadrilateral bisect each other,then the quadrilateral is a parallelogram.

If the diagonals of a quadrilateral bisect each other; then the quadrilateral is a parallelogram.

If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram.

Prove, by vector method, that the diagonals of a parallelogram bisect each other, conversely, if the diagonals of a quadrilateral bisect each other, it is a parallelogram.

Prove, by vector method, that the diagonals of a parallelogram bisect each other , conversely, if the diagonals of a quadrilateral bisect each other, it is a parallelogram.

Theorem 8.7 : If the diagonals of a quadrilateral bisect each other, then it is a parallelogram.

Given the following statements : If the diagonals of a quadrilateral bisect each other, then it is a parallelogram. Identify these as contrapositive or converse of each other.

Given the following statement : If the diagonals of a quadrilateral bisect each other, then it is a parallelogram. Identify these as contrapositive or converse of each other.