A) \[\left( \text{4}+\pi \right)\text{ c}{{\text{m}}^{\text{2}}}\]
B) \[\left( \text{4 }+\text{ 4}\pi \right)\text{ c}{{\text{m}}^{\text{2}}}\]
C) \[\text{4}\pi \text{ c}{{\text{m}}^{\text{2}}}\]
D) \[\text{8}\pi \text{ c}{{\text{m}}^{\text{2}}}\]
Correct Answer: A
Solution :
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