SOLUTION: The radius of a sphere is 8 ft. Find the surface area of the sphere. Round to the nearest hundredth. SA = ? ft^2

Algebra ->  Surface-area -> SOLUTION: The radius of a sphere is 8 ft. Find the surface area of the sphere. Round to the nearest hundredth. SA = ? ft^2      Log On


   

Question 1078208: The radius of a sphere is 8 ft. Find the surface area of the sphere. Round to the nearest hundredth.
SA = ? ft^2
Found 2 solutions by Fombitz, ikleyn:
Answer by Fombitz(32388) About Me  (Show Source):
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
The surface area of a sphere of the radius "r" is

S = 4%2Api%2Ar%5E2.

Substitute here the value of your radius r = 4 in to get

S = 4%2A3.14%2A8%5E2.


Now use your calculator.


Good luck !!