1 Acre is 43,560 square feet.any body can give the equation,how to find out this by equation?
604808
acre \narea of land one chain (four rods) in width by one furlong in length. As the traditional furlong could vary in length from country to country, so did the acre. In England an acre was 4,840 square yards, in Scotland 6,150 square yards and in Ireland 7,840 square yards. It is a Saxon unit, meaning field. Probably meant to be "as much area as could be plowed in one day".
483841
There are 640 acres per square mile, which seems odd, until you look at how they used to divide acreage- 640 is a good number if you are cutting something up in consecutive halves.  So, 22,000 / 640 = yep, 34.375
417046
43,560.331 square feets = 1 acre of land
448675
An acre is defined as 43,560 ft^2. So 2 acres is \n87,120 ft^2. You could have a square plot 295.16 ft. on a side or\na circular plot with a radius of 166.57ft or a small plane landing zone of 60ft X 1452 ft. The list goes on.
702414
One acre is equal to 43560.0 square feet, so\n678 x 43560 = 29533680
409908
You have to find an area.  If ou have one foot by one foot, it is one square foot.  If the area is circular, find the area of the circle.
846062
12 inches X 12 inches *2   \nGo from south to north 12 inches then east to west 12inches,and repeat once, now there between you have a square foot.
1052394
144 square feet\nhow many gallons fit in one square foot?
387910
1.010101...sq. mi. in 640 ac\n\ndon't understand second part
879408
120(yards)x40(yards)=4800 square yards\n\nmultiply numbers first \nArea=length x width=120x40=4800\nmultiply the names, if the same, (convert to the same if the names differ) here we have the same names-- yards x yards = square yards\nif you have a question with (yards) x (yards) x (yards)=you get an answer in (cubic yards) and so on.  Good luck in math and thank you for asking.
150885
1 acre in the USA should be the same area in Puerto Rico, barring any legal subelty.\n\nI just remember that 640acres = 1 mile square [ 1 mi^2 ] and play the dimensional analysis game:\n\n  divide by 640\n\n1 acre = (1/640)mi^2\n\n  square root of both sides\n\n1 square-root-acre = (1/sqrt(640))mi\n\na square-root-acre is the length of the side of a square that spans one acre.\n\n = 1/25.298 mi\n\nsince 1 mi = 5280 feet, 1 = 5280 feet / mi, and multiplying both sides by 5280 feet / mi [ or 1 ] gives\n\n = 5280/25.298 feet = 208.710 feet ~= 208 feet 8 1/2 inches, which will be short 24 thousands of an inch.
1150077
Any length greater or equal the circumference of a 1-acre circle. \n\nCalculate the acre as square feet, square yards or square meters.\n\nDivide by pi and calculate the square root to get the radius, then multiply by 2 pi for the circle circumference.
351757
An acre is roughly half the size of a football pitch. A hectare is equal to 10,000 square metres and is  2,471 acres.
855861
Think about this:\n\nOne acre is slightly less than 91 yards on an American football field.  1 square mile is equal to 640 acres.\n\nSo, 134 square miles x 640 acres = how many yards?  \n\nCan you take it from here?  Do you see how BIG that really is in size?\n\nGuido
250578
figure it out...\n                Area\n144 sq. inches = 1 sq. ft\n9 sq. feet   = 1 square yard\n4840 sq. yards  = 1 acre\n8 furlongs = 1 mile  \n640 acres      = 1 square mile\n5280 feet = 1 mile   \n1 sq.mile    = 1 section\n1760 yards = 1 mile  \n36 sections   = 1 township
244547
An acre is 43560 square feet.\n\nTo learn more go here...\nhttp://en.wikipedia.org/wiki/Acre\n\nBy the way, "acer" is a computer manufacturer.
924059
(11.5+9) x 18= 369 sq feet if you are covering both the kitchen and living room\n\nIf you are just covering the kitchen , you look at 162 sq feet..