If the diagonals of a parallelogram are equal and intersect at right angles, then the parallelogram is a square.

The diagonals of a parallelograms are equal .

If the diagonals of a parallelogram are equal, then show that it is a rectangle

If the two diagonals of a parallelogram are equal; it is a rectangle.

The diagonals of a parallelogram are equal. (True Or False)

The opposite angles of a parallelogram are equal.

The opposite angle of a parallelogram are equal.

The diagonals of a square are equal and bisect each other at right angle

By vector method, prove that if the diagonals of a parallelogram intersect perpendicularly,then the parallelogram is rombus.