Name the quadrilaterals whose diagonals.
(i) bisect each other
(ii) are perpendicular bisectors of each other
(iii) are equal
(i) The diagonals of a parallelogram, rhombus, square, and rectangle bisect each other.
(ii) The diagonals of a rhombus and square act as perpendicular bisectors.
(iii) The diagonals of a rectangle and square are equal.