A) area of the circle
B) \[\pi /2\]
C) \[2\pi \]
D) 4
Correct Answer: D
Solution :
\[\because \] \[2\pi r=\pi {{r}^{2}}\] \[\Rightarrow \] \[r=2\] \[\therefore \] Diameter of circle = 4You need to login to perform this action.
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