document.write( "Question 54763: A=PI*r2 if A=113.04sq ft and PI*=3.14 what is r \n" ); document.write( "
Algebra.Com's Answer #36978 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! A=PI*r2 \n" ); document.write( "113.04=(3.1415)*r^2 [Is the \"r\" value raised to the 2nd power?] \n" ); document.write( "113.04/3.1415=r^2 \n" ); document.write( "35.9828=r^2 \n" ); document.write( "sqrt(35.9828)=sqrt(r^2) \n" ); document.write( "5.998=r \n" ); document.write( ". \n" ); document.write( "Check by plugging all of the variables back into the original equation. \n" ); document.write( " \n" ); document.write( " |