Madhya Pradesh Police Exam Model Paper 6

Given:
Area of square $=484\mathit{c}{\mathit{m}}^2$
Formula Used:
Area of square = side × side
Diagonal = √2 × side
Calculation
Area of square = side × side
⇒ √484 = side
⇒ 22 cm = side
Diagonal = √2 × side
⇒ Diagonal = √2 × 22
⇒ Diagonal = 22√2 cm
∴ The length of the diagonal is 22√2 cm.
The correct option is 4 i.e.22√2 cm.