document.write( "Question 570897: to fence a rectangular farm of 750 m^2, 110 m of fence has been used. calculate the dimensions of the farm. show your work. \n" ); document.write( "
Algebra.Com's Answer #367843 by maa.veera@gmail.com(3)\"\" \"About 
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Area of rectangle = L * W = 750 m^2 -----(1)
\n" ); document.write( "Perimeter = 2(L + W )
\n" ); document.write( "110 = 2(L + W)
\n" ); document.write( "55 = L + W
\n" ); document.write( "W = 55 - L ------(2)
\n" ); document.write( " plug (2) in (1)
\n" ); document.write( "L(55 - L) = 750
\n" ); document.write( " 55L - L^2 = 750
\n" ); document.write( "L^2 - 55L + 750 =0
\n" ); document.write( "(L -30)(L-25)=0\r
\n" ); document.write( "\n" ); document.write( "L = 30 or L =25
\n" ); document.write( "if L = 3 0 W = 55-30 = 25
\n" ); document.write( "if L=25 then W = 55-25 = 30
\n" ); document.write( "therefore dimensions of Rectangle are 30m and 25m .\r
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