document.write( "Question 597348: what is the diameter of a circle with an area of 3.9 miles squared? \n" ); document.write( "
Algebra.Com's Answer #378135 by Alan3354(69443)\"\" \"About 
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what is the diameter of a circle with an area of 3.9 miles squared?
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\n" ); document.write( "\"Area+=+pi%2Ar%5E2+=+3.9\"
\n" ); document.write( "d = 2r
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