document.write( "Question 190119: Hi!\r
\n" ); document.write( "\n" ); document.write( "Solve each formula for the indicated variable.\r
\n" ); document.write( "\n" ); document.write( "A = 2(pi)^2 + 2(pi)hr. for r
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Algebra.Com's Answer #142677 by edjones(8007)\"\" \"About 
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a = 2(pi)^2 + 2(pi)hr
\n" ); document.write( "a-(2pi^2)=2pi*h*r
\n" ); document.write( "r=[a-(2pi^2)]/(2pi*h)
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\n" ); document.write( "Ed
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