SOLUTION: Hello, I need help finding the surface area of a cone with a radius of 3ft and a slant height of 7ft. Thank you

Algebra ->  Surface-area -> SOLUTION: Hello, I need help finding the surface area of a cone with a radius of 3ft and a slant height of 7ft. Thank you       Log On


   

Question 71480: Hello,
I need help finding the surface area of a cone with a radius of 3ft and a slant height of 7ft.
Thank you

Answer by zerosignal(28) About Me  (Show Source):
You can put this solution on YOUR website!
Formula to use is a+=+pi%2Ar%2As
r = 3 & s = 7
a+=+pi%2A3%2A7
a+=+65.97344573ft%5E2