729 square feet in 81 square yards.
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9' x 9' = 81 square feet.
If the area is 81 square feet what is the perimeter?
The answer is: 486/6 = 81 and the square root of 81 is 9 feet which is the length of each edge.
9 ft square means a square of 9ft sides. The area will be 81 square feet
Perimeter is 36 feet.