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# Confused

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a square field has an area of 479ft^2

what is the approximate length of a side of the field

Mathnolic  Sep 7, 2017
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Why are you confused? What is the area of a square?

Area = S^2, where S = Side of the square.

S^2 = 479   take the square root of both sides.

S = Sqrt(479)

S = 21.89 = ~ 22 feet - side length of the field.

Guest Sep 7, 2017
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Firstly, $$\sqrt{479}≈21.8$$, making the problem mostly done already.

it will be 22 ft approximately, since the decimal point is larger than 5.