The outer radius of a spherical shell is 9 cm and the thickness of the shell is 1 cm. Find the volume of the metal used for the shell (in cubic cm).
\(\left( {{\rm{Use}}\,{\rm{\pi }} = \frac{{22}}{7}} \right)\,\)
1
\(912\frac{2}{3}\)
2
\(915\frac{1}{3}\)
3
\(909\frac{1}{3}\)
4
\(909\frac{3}{5}\)