when i did this i got a different number?! help?!

http://melheart47.tumblr.com/

If r = 9 units and X = 9 units, then what is the total surface area of the cylinder shown above?

A. 243 square units

B. 891 square units

C. 1,458 square units

D. 324 square units

Question

when i did this i got a different number?! help?!


http://melheart47.tumblr.com/

If r = 9 units and X = 9 units, then what is the total surface area of the cylinder shown above?  
 

  A.  243 square units 
 
  B.  891 square units 
 
  C.  1,458 square units 
 
  D.  324 square units

phi · Answer

Do you know the formula?

anonymous · Answer

please just answer. this isn't for a test for school i just want to know how to do it and what the answer is.