document.write( "Question 653425: A=2πr^2+2πrx Solve for r \n" ); document.write( "
Algebra.Com's Answer #408429 by lynnlo(4176)\"\" \"About 
You can put this solution on YOUR website!
r=√π(πx^2+2a)-πx/2π
\n" ); document.write( " or
\n" ); document.write( "-πx+√π(πx^2+2a/2π
\n" ); document.write( "
\n" );