document.write( "Question 532776: How many circles with radius of 4 inches, will have the same total area as a circle with radius 12 inches? \n" ); document.write( "
Algebra.Com's Answer #350915 by htmentor(1343)\"\" \"About 
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Area of a circle = \"pi%2Ar%5E2%29\"
\n" ); document.write( "If r=4, the area is \"16%2Api\"
\n" ); document.write( "If r=12, the area is \"144%2Api\"
\n" ); document.write( "So the number of 4 in. circles = 144/16 = 9
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