SOLUTION: find the surface area of a cone with its radius 3.11 and its length 2.25? find the surface area ?

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Question 764480: find the surface area of a cone with its radius 3.11 and its length 2.25? find the surface area ?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Slope = 3.83cm.
Surface Area of a cone = (Pirs) + (Pir^2)
= (Pi× 3.11×3.83) + (Pi×3.11^2)
= 67.81cm^2
Hope this helps.
:-)