document.write( "Question 233194: If the radius of a circle is decreased by 40% , by what percent is the area decreased ? \n" ); document.write( "
Algebra.Com's Answer #172132 by Alan3354(69443)\"\" \"About 
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If the radius of a circle is decreased by 40% , by what percent is the area decreased ?
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\n" ); document.write( "Area is a function of the square of the radius.
\n" ); document.write( "If r2 = 0.6r1, then
\n" ); document.write( "Area2 = Area1*(0.6)^2
\n" ); document.write( "Area2 = 0.36Area1
\n" ); document.write( "That's a decrease of 64%
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