document.write( "Question 1036891: What is the surface area of a cone with radius 6 inches and a slant height of 9 inches.\r
\n" );
document.write( "\n" );
document.write( "Thank you! \n" );
document.write( "
Algebra.Com's Answer #651588 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 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. \n" ); document.write( " |