A) \[12c{{m}^{2}}\]
B) \[{{P}^{2}}%\]
C) \[28\pi sq.units\]
D) \[88sq.units\]
Correct Answer: C
Solution :
Let each side be 1.5\[l\] (after increase). Then, % increase in surface area \[2\pi r\]You need to login to perform this action.
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