Given reason for the following statement:

The diagonals of a quadrilateral are perpendicular to each other. Is such a quadrilateral always a rhombus?

A parallelogram is a rhombus if all its _____ are equal.

A square is a rhombus if its _____ .

The diagonals of a quadrilateral are of lengths $16 \mathrm{cm}$ and $12 \mathrm{cm}$. If the diagonals bisect each other at right angles, what is the length of each side of the quadrilateral?

All rectangles are squares.

All squares are rhombus and also rectangle.

All squares are not parallelograms.

All kites are rhombuses.