document.write( "Question 1144568: If Mario plans to develop a circular race track 0.75mi in circumference on a square plot of land, then what is the minimum number of acres that he needs? (One acre is equal to 43,560ft^2). \n" ); document.write( "

Algebra.Com's Answer #765725 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "            I understand this problem differently.\r
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\n" ); document.write( "\n" ); document.write( "            My understanding is that in the problem, the circle is INSCRIBED into the square.\r
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\n" ); document.write( "\n" ); document.write( "            Then the calculations are as follows :\r
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document.write( "(1)  The diameter of the circle d =  =  = 0.238854 miles = 0.238854*5280 feet = 1261.15 feet.\r\n" );
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document.write( "(2)  Hence, the side of the square plot of land is  \r\n" );
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document.write( "         a = d = 1261.15 feet.\r\n" );
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document.write( "(3)  Then the area of the square plot of land is\r\n" );
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document.write( "         area =  =  = 1590497 square feet =  acres = 36.513 acres.    ANSWER\r\n" );
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