Given is the square whose area is 1/64 squared miles, and it says to find the side of the square.
We know the formula for area of square is given by :-
Area of square = (side)²
[tex] (side)^{2} = \frac{1}{64} \\\\
side = \sqrt{\frac{1}{64}} \\\\
side = \frac{1}{8} = 0.125\; miles [/tex]
Hence, side of the square would be 1/8 miles or 0.125 miles.