why bother with that? If the area is given in yd^2, just give each side in yd.
√520 = 22.8035...
So, each side is about 22.8 yd
Now, if they wanted the dimensions in feet, then you'd divide the area by 9, since each yard is 3 ft, but you would certainly not divide each side by 9.
520 square yards approximate each side of the garden by the nearest tenth
I was thinking I had to divide each side by 9
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