document.write( "Question 232659: A large, irrigated crop circle is 400 meters in radius. Correct to the nearest tenth of a hectare, how many hectares of land are contained in this circle.
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Algebra.Com's Answer #171886 by ankor@dixie-net.com(22740)\"\" \"About 
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A large, irrigated crop circle is 400 meters in radius. Correct to the nearest tenth of a hectare, how many hectares of land are contained in this circle.
\n" ); document.write( "A = \"pi%2Ar%5E2\"
\n" ); document.write( "A = \"pi%2A400%5E2\"
\n" ); document.write( "A = 502654.8246 sq/meters
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\n" ); document.write( "We know a hectare is 10,000 sq/meters
\n" ); document.write( "\"+502654.8246%2F10000\" = 50.3 hectares
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