1 square mile = 640 acres
2 square miles = 1,280 acres
3 square miles = 1,920 acres
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540 square miles = 345,600 acres
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The square root of 540 is 23. 24, that's rounded off...
1 square yard =9 square feet 60 square yards = 540 square feet
270 of them.
540 ÷ 60 = 9
The sum of a Pentagon is 540 degrees. because it has a square in the bottom and triangle at the top. A triangle has 180 degrees, and a square has 360 degrees. Add them together and u get 540 degrees.