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# how many sq. feet in an acre?

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- LucySDLv 71 decade agoFavorite Answer
http://en.wikipedia.org/wiki/Acre

Wikipedia: Acre

An acre is the name of a unit of area in a number of different systems, ... There are 43,560 square feet in an acre. There are always 4,840 square yards in an acre. ...

Quick Links: International acre - United States survey acre - Equivalence to other units of area

en.wikipedia.org/wiki/Acre - 25k - Cached - More from this site

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- answerINGLv 61 decade ago
There are 43,560 square feet in an acre.

Since we're talking square feet or area there are no constraints on the shape of the surface. That is, the surface need not be a square, nor a rectangle; it could be a triangular surface or trapezoidal. (The idea of a square 70 yards or 210 feet on a side is a fairly good approximation of an acre of area; the error provoked is less than 2%, so I tend to remember that and only dig out the exact area (43560 sq ft) if I feel it's warranted.)

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- 1 decade ago
210 feet x 210 feet will give you the square feet in an acre.

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- 1 decade ago
43681sq. ft. in an acre. It's 209 ft. by 209ft.

Source(s): Ed Collins college graduate in Forest Technology- Login to reply the answers

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- 1 decade ago
43560 sq. ft.- 210x210 will not help you. the formula is 208.71x208.71, then round it off . (208.71 squared)

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