document.write( "Question 1036891: What is the surface area of a cone with radius 6 inches and a slant height of 9 inches.\r
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Algebra.Com's Answer #651588 by Boreal(15235)\"\" \"About 
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A+pi*r(r+ sqrt(h^2+r^2)); h^2+r^2=L^2, where L is the slant height. Therefore, A+pi*r(r+L)
\n" ); document.write( "A=pi*6(6+sqrt(81))=6*pi(15)=90 pi in^2.
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