A) \[10.5\] sq cm
B) 5.025 sq cm
C) 10.05 sq cm
D) None of these
Correct Answer: C
Solution :
\[S=4\pi {{r}^{2}}\] \[\therefore \delta S=8\pi r\delta x=8\pi \times 20\times .02=10.05\,\,sq.cm.\]You need to login to perform this action.
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