CUET Preparation Today
CUET
General Test
Quantitative Reasoning
Mensuration: 2D
The perimeter of a square is 40 cm. Its area will be:
81 cm2
144 cm2
121 cm2
100 cm2
Perimeter = 4 × side
⇒ 40 = 4 × side
side = 10 cm
area = (side)2 =(10)2 = 100 cm2
