Which of the following statements are true for a rhombus?
(i) It has two pairs of parallel sides.
(ii) It has two pairs of equal sides.
(iii) It has only two pairs of equal sides.
(iv) Two of its angles are at right angles.
(v) Its diagonals bisect each other at right angles.
(vi) Its diagonals are equal and perpendicular.
(vii) It has all its sides of equal lengths.
(viii) It is a parallelogram.
(ix) It is a quadrilateral.
(x) It can be a square.
(xi) It is a square.
Diagonals of a rhombus are perpendicular, but not equal.
It is a parallelogram because it has two pairs of parallel sides.
It is a quadrilateral because it has four sides.
It can be a square if each of the angle is a right angle.
It is not a square because each of the angle is a right angle in a square.