document.write( "Question 282358: If the radius of a circle is increased by 100%, then the area is increased by:\r
\n" ); document.write( "\n" ); document.write( "(A)100% (B) 200% (C) 300% (D) 400% (E) none of these
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Algebra.Com's Answer #205009 by checkley77(12844)\"\" \"About 
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Area=piR^2
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\n" ); document.write( "Area=pi(4R^2)
\n" ); document.write( "Area=pi(4)R^2 Thus the area is increased by a factor of 4 or 400%.
\n" ); document.write( "Answer(D) 400%.
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