Question:
Explain how a square is
(i) a quadrilateral?
(ii) a parallelogram?
(iii) a rhombus?
(iv) a rectangle?
Solution:
(i) Since a square has four sides, it is a quadrilateral.
(ii) Since the opposite sides are parallel and equal, it is a parallelogram.
(iii) Since the diagonals bisect each other and all the sides are equal, it is a rhombus.
(iv) Since the opposite sides are equal and all the angles are right angles, it is a rectangle.