document.write( "Question 508610: If the circumference of a circle is 18pie , what is the area(in terms of pie)? \n" ); document.write( "
Algebra.Com's Answer #341053 by tinbar(133)\"\" \"About 
You can put this solution on YOUR website!
circumference = 2*pi*r.
\n" ); document.write( "Since we know the circ is 18*pi we can deduce the radius is 9.\r
\n" ); document.write( "\n" ); document.write( "Area = pi*r^2. 9^2=81. Therefore the area, in terms of pi, is 81pi
\n" ); document.write( "
\n" );