document.write( "Question 1059039: please help me solve this problem?
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document.write( "The area of a circle is 22 cm square. Find its radius to the nearest whole number. \n" );
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Algebra.Com's Answer #674114 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! A=pi*r^2 \n" ); document.write( "22 sq cm=pi*radius ^2, units of radius will be cm \n" ); document.write( "22/pi=r^2 \n" ); document.write( "r=sqrt (22/pi)=sqrt (7.003)=2.65 cm rounding to 3 cm.\r \n" ); document.write( "\n" ); document.write( "For 2, the radius would be 4 pi or 13 rounded to nearest whole number \n" ); document.write( "For 3, it is 9 pi or 28 cm rounded to nearest whole number \n" ); document.write( " |