SOLUTION: Find the surface area of the sphere of radius 13 units.

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Question 610772: Find the surface area of the sphere of radius 13 units.

Found 2 solutions by ewatrrr, solver91311:
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi, 



 Surface ARea = 

 Surface ARea = = 2123.7 units^2

 

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!
 





The surface area of a sphere of radius  is given by 





Just plug in the numbers and do the arithmetic.  Leave in terms of  for an exact answer or use an appropriate approximation.





John



My calculator said it, I believe it, that settles it


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