A) 0.6%
B) 1.2%
C) 1.8%
D) 2.4%
Correct Answer: A
Solution :
Area, \[A=4\pi {{r}^{2}}\] \[\therefore \] \[\frac{\Delta A}{A}=2\frac{\Delta r}{r}\] \[\therefore \] \[\frac{\Delta A}{A}=2\times 0.3=0.6%\]You need to login to perform this action.
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