document.write( "Question 291413: Radious of a circle: If the radius of a certain circle is tripled, with 8.2 then added, the result is the circumference of the circle. Find the radius of the circle. (use 3.14 as an approximation for pi) \n" ); document.write( "
Algebra.Com's Answer #210746 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Let r=radius \n" ); document.write( "C=3.14*2r \n" ); document.write( "3r+8.2=3.14*2r \n" ); document.write( "3r+8.2=6.28r \n" ); document.write( "3.28r=8.2 \n" ); document.write( "r=2.5 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |