document.write( "Question 384024: The radius of one circle is three times the radius of a second circle. Find the ratio of the areas.
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Algebra.Com's Answer #271858 by mananth(16946)\"\" \"About 
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radius of circle A = r
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\n" ); document.write( "area of circle A = pi*r^2
\n" ); document.write( "area of circle B =pi*(3r)^2=pi*9r^2
\n" ); document.write( "\"Ratio+=+%28pi%2Ar%5E2%29%2F%289%2Api%2Ar%5E2%29\"
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\n" ); document.write( "Ratio = 1/9
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\n" ); document.write( "m.ananth@hotmail.ca
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