document.write( "Question 190829: A=Ao(1-r^2), solve for r \n" ); document.write( "

Algebra.Com's Answer #143286 by Mathtut(3670) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"A=Ao%281-r%5E2%29\"$
\n" ); document.write( ":
\n" ); document.write( " $\"A%2FAo=1-r%5E2\"$
\n" ); document.write( ":
\n" ); document.write( " $\"r%5E2=1-%28A%2FAo%29\"$
\n" ); document.write( ":
\n" ); document.write( " $\"r=sqrt%281-%28A%2FAo%29%29\"$ \n" ); document.write( "

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