Use a calculator. There is a way which resembles long division but it is quite complicated, and soon requires some tough multiplication.
The square root of 87 is: ± 9.327379
The square root of 7569 is 87.
Square root of 87 is 9.3. Which is rounded to the nearest tenth.
You cannot be serious ... Just in case you are, it's 87.
Google this (87)^(1/2)
87
An acre is 43, 560 square feet, so 2 acres is 87, 120 square feet, which has a square root of about 295.16 feet. So, the answer is 295.16 feet.
87.0
87 is a not perfect square.
The square root of the square root of 2
The 8th root
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