SOLUTION: the surface area of a cone is 1130ft2. the radius is 10ft. what is the lateral area of the cone to the nearest whole number? use 3.14 for n

Algebra ->  Surface-area -> SOLUTION: the surface area of a cone is 1130ft2. the radius is 10ft. what is the lateral area of the cone to the nearest whole number? use 3.14 for n       Log On


   



Question 861812: the surface area of a cone is 1130ft2. the radius is 10ft. what is the lateral area of the cone to the nearest whole number? use 3.14 for n

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,

S = pi%2Ar%5E2+%2B+L%5Barea%5D
1130ft^2 - 3.14*100ft^2 = L = 816ft^2