If the length of the diagonal of a square is 12√2 cm, what is its perimeter?
48 cm
Given length of the diagonal of a square =12√2 cm
If 'a' is the side of the square, then the length of diagonal is a√2
∴a√2=12√2
⇒a=12
∴ Perimeter of the square=4a=4×12=48 cm