A square field has area 16 cm², then length of diagonal is _____?

3√4 cm

4√2cm

4√3 cm

None of these

Given the area of the square is 16 cm²:

Step 1: Find the side length

Area = side²

16 = side²

side = √16

side = 4 cm

Step 2: Calculate the diagonal

The diagonal of a square can be found using the formula d = side√2.

d = 4√2