The diagonals of a quadrilateral are 16 cm and 20 cm. If they intersect each other at right angles, then its area is _____ sq cm.
Diagonals of a quadrilateral are of lengths 10 cm and 24 cm. If the diagonals bisect each other at right angles, then the length of each side is
The diagonals of a quadrilateral are of lengths 6cm and 8cm. If the diagonals bisect each other at right angles, what is the length side of the quadrilateral?