# Ex.3.4 Q3 Understanding Quadrilaterals Solution - NCERT Maths Class 8

## Question

Explain how a square is.

(ii) a parallelogram

(iii) a rhombus

(iv) a rectangle

Video Solution
 (i) Quadrilateral A square is a quadrilateral since it has four sides. (ii) Parallelogram- properties (1) Opposite sides are equal. (2) Opposite angles are equal. (3) Diagonals bisect one another. A square is parallelogram, since it contains both pairs of opposite sides equal. (iii) Rhombus - properties i)A parallelogram with sides of equal length. ii)The diagonals of a rhombus are perpendicular bisectors of one another. A square is a rhombus since i) its four sides are of same length. ii)the diagonals of a square are perpendicular bisectors of each other. (iv) Rectangle-properties i)Being a parallelogram, the rectangle has opposite sides of equal length and its diagonals bisect each other. A square is rectangle since each interior angle measures $$90$$ degree.