The volume of a $1-$ rupee coin is given by the formula $\ldots \ldots \ldots . . .$
- A$V = \pi r^{2}$
- B$V = \pi r^{2} h$
- C$V = \frac{1}{3} \pi r^{2} h$
- D$V = \frac{4}{3} \pi r^{3}$
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