SOLUTION: how to find the surface area of a cone

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Question 280843: how to find the surface area of a cone
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The conical area is
pi%2Ar%2As
s = length of the side.
If you know the radius and height (h from tip to base normal to the base), then
s+=+sqrt%28r%5E2+%2B+h%5E2%29