The internal and external radii of a hollow metallic cylinder are 1.1 cm and 4.3 cm, respectively, and its height is 16\(\frac{2}{3}\) cm. It is melted and recast into a sphere. The surface area (in cm²) of the sphere is:

1
144 π 
2
256 π 
3
196 π  
4
More than one of the above
5
None of the above

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