Answer:
8
inches
Explanation:
Let l represent the length of the square
The area of a square = l^2
That means,
l^2 = 24 km^2
Take the square root of both sides
l =

l =

l =

l = 2

Now lets find the perimeter
Perimeter of a square, P = 4l
P = 4* 2

P = 8
inches