document.write( "Question 42771: The expression pie(r square gives the area of a circle with radius r. How many square meters of wheate were destroyed when an alien ship made a crop circle of diameter 25 meters in the wheat field at the Southwind Ranch? Find pie on your
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Algebra.Com's Answer #27850 by Nate(3500)\"\" \"About 
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d = 2r
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\n" ); document.write( "25/2 = r = 12.5
\n" ); document.write( "\"AREA+=+%28pi%29r%5E2\"
\n" ); document.write( "\"AREA+=+%28pi%29%2812.5%29%5E2\"
\n" ); document.write( "\"AREA+=+491\"
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