document.write( "Question 109145: Hello,\r
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document.write( "I am stumped on this one please help,\r
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document.write( "If the area of a circle is 72 cm^2, find the radius to the nearest
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document.write( "hundredth.\r
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document.write( "Thanks! \n" );
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Algebra.Com's Answer #79590 by theidiot(3)![]() ![]() ![]() You can put this solution on YOUR website! the formula for the area of a square is A = pi * r^2\r \n" ); document.write( "\n" ); document.write( "72 = pi * r^2\r \n" ); document.write( "\n" ); document.write( "pi = 3.14 or 22/7 \n" ); document.write( "or use a calcuator and press the pi button\r \n" ); document.write( "\n" ); document.write( "72 = pi * r^2 \n" ); document.write( "22.9183 = r^2 \n" ); document.write( "4.7873 = r \n" ); document.write( "r = 4.79 cm \n" ); document.write( " |