document.write( "Question 764480: find the surface area of a cone with its radius 3.11 and its length 2.25? find the surface area ? \n" ); document.write( "
Algebra.Com's Answer #465487 by Cromlix(4381)\"\" \"About 
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Slope = 3.83cm.
\n" ); document.write( "Surface Area of a cone = (Pirs) + (Pir^2)
\n" ); document.write( "= (Pi× 3.11×3.83) + (Pi×3.11^2)
\n" ); document.write( "= 67.81cm^2
\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-)
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