If the diagonals of a cyclic quadrilateral intersect at the centre of a circle , then the quadrilateral is `"_______________"`.

Definition of Cyclic quadrilateral

The opposite angles of a cyclic quadrilateral are ……………

If the diagonals of a quadrilateral are equal and bisect each other, then the quadrilateral is a

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

If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral prove that it is a rectangle.

If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral, prove that it is a rectangle.

If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral, prove that it is a rectangle

If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral, prove that it is a rectangle.