SOLUTION: the surface area of a cone is 293.2 square feet and the radius is 6.1 feet what is the slant height

Algebra ->  Surface-area -> SOLUTION: the surface area of a cone is 293.2 square feet and the radius is 6.1 feet what is the slant height      Log On


   

Question 180198This question is from textbook glencoe Geometry
: the surface area of a cone is 293.2 square feet and the radius is 6.1 feet what is the slant height This question is from textbook glencoe Geometry

Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
SA= pi%2Cr%5E2+%2B+pi%2CrL
293.2 = %283.14%296.1%5E2+%2B+%283.14%296.1L
multiply;
293.2 = 116.84 + 19.15L
subtract 116.84 from each side;
293.2 - 116.84 = 19.15L
176.36 = 19.15L
divide each side by 19.15;
9.21 = L
:)