| Solution
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| Title: |
A piece of farmland is a perfect square and the area is 4 square miles.What is the length, in miles, of one side of the farmland? |
| Main
Category: |
Area and Perimeter of Square and Rectangles - Basic Math |
| Difficulty
Level: |
MEDIUM |
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| Question: |
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A piece of farmland is a perfect square and the area is  square miles. What is the length, in miles, of one side of the farmland?
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| Solution: |
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(6,6)%0A%20%20%5Cpsline%5Blinecolor=blue,%20linewidth=2pt%5D(0,0)(0,4)(4,4)(4,0)(0,0)%0A%20%20%5Cpsline%5Blinecolor=blue,%20linewidth=2pt%5D(0,0.35)(0.35,0.35)(0.35,0)%0A%20%20%5Crput(2,-0.3)%7B%5CLarge%20L%7D%0A%20%20%5Crput(4.5,2.3)%7B%5CLarge%20L%7D%0A%20%20%5Crput(2,-0.8)%7B%5CLARGE%20Square%7D%0A%5Cend%7Bpspicture%7D%0A%5Cend%7Bdocument%7D) |
The area of a square (farmland) can be calculated as
where  is the side of the square.
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If area is known, the side of a square can be calculated as
In our case,  square mile, so
 (Answer)
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