document.write( "Question 1012874: The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle A?
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Algebra.Com's Answer #628968 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The area of circle B is 121 times greater than the area of circle A. The radius of circle B is 44. What is the radius of circle A? \n" ); document.write( "------- \n" ); document.write( "Area of A = pi*r^2 \n" ); document.write( "Area of B = pi*44^2 \n" ); document.write( "--------- \n" ); document.write( "Equation: \n" ); document.write( "pi*44^2 = 121*pi*r^2 \n" ); document.write( "------ \n" ); document.write( "121r^2 = 44^2 \n" ); document.write( "--- \n" ); document.write( "r^2 = 44^2/11^2 \n" ); document.write( "---- \n" ); document.write( "r^2 = 4^2 \n" ); document.write( "r = 4 \n" ); document.write( "----------------\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |