document.write( "Question 343361: The area of a circle with a radius of 2 is how much less than the area of a circle with radius 4?\r
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document.write( "(a)2π (b) 4π (c) 8π (d) 12π (e) 16π
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Algebra.Com's Answer #245698 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! We use A = pir^2 TWICE.\r \n" ); document.write( "\n" ); document.write( "Area of big circle - area of litle circle\r \n" ); document.write( "\n" ); document.write( "16pi - 4pi = 12pi\r \n" ); document.write( "\n" ); document.write( "The answer is choice (d).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |