document.write( "Question 381279: given 300 meters, what is the maximum rectangular area that can be fenced off? \n" ); document.write( "
Algebra.Com's Answer #270462 by richard1234(7193)\"\" \"About 
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The optimal area of a rectangle with a given perimeter is a square (this can be proven using introductory calculus). Therefore the side length of such a square is 75 m, so the area is (75 m)^2 = 5625 m^2. \n" ); document.write( "
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