A) 27 cm
B) 9 cm
C) 6 cm
D) 12 cm
Correct Answer: A
Solution :
Volume of the cylinder = volume of hemisphere \[\pi \times {{9}^{2}}\times 162=\frac{2}{3}\pi {{r}^{3}}\] \[\Rightarrow {{r}^{3}}=\frac{81\times 162\times 3}{2}\] \[r=\sqrt[3]{81\times 81\times 3}={{3}^{3}}=\]You need to login to perform this action.
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