A) Either (i) or (ii)
B) Neither (i) nor (ii)
C) Both (i) and (ii)
D) Cannot say anything
Correct Answer: C
Solution :
(i) \[2\pi r=\pi {{r}^{2}}.\] \[\Rightarrow \]\[r=2\] \[\Rightarrow \]Diameter\[=2\times 2=4\] (ii) \[\pi {{r}^{2}}=25\pi \] \[\Rightarrow \] \[r=5\]You need to login to perform this action.
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