document.write( "Question 97462: A=2rh+2r^2; solve for h\r
\n" ); document.write( "\n" ); document.write( "This is how I worked it out. \r
\n" ); document.write( "\n" ); document.write( "A=2rh+2r^2
\n" ); document.write( "A-2r^2=2rh+2r^2-2r^2
\n" ); document.write( "A-2r^2=2rh\r
\n" ); document.write( "\n" ); document.write( "A-2r^2/2r=2rh/2r\r
\n" ); document.write( "\n" ); document.write( "A-r=h
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Algebra.Com's Answer #70929 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
2rh+2r^2=A; solve for h
\n" ); document.write( "subtract 2r^2 from each side. 2rh=A-2r^2
\n" ); document.write( "divide 2r into each side. \"h=%28A-2r%5E2%29%2F2r\"
\n" ); document.write( ".
\n" ); document.write( "you did well.
\n" ); document.write( "Your only mistake was your last step.
\n" ); document.write( "if you divide 2r into you have to divide into both A and -2r^2 and you get \"%28A%2F2r%29-2r\" which is equivalent to my answer.
\n" ); document.write( "Ed
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