document.write( "Question 316480: A circle of radius 12 inches has its radius decreased by 8 inches. By what percentage has its area been decreased?
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Algebra.Com's Answer #226397 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
The area of a circle is,
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\n" ); document.write( "\"A1=pi%2A12%5E2=144%2Api\"
\n" ); document.write( "\"A2=pi%2A8%5E2=64%2Api\"
\n" ); document.write( "\"DELTA=%28A1-A2%29%2FA1=%28%28144-64%29%2Api%29%2F%28144%2Api%29=0.556\"
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\n" ); document.write( "55.6% decrease in area.
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