Answer:
56.52 km^3
Step-by-step explanation:
[tex]V = \frac{\frac{4}{3}\pi r^{3} }{2} = \frac{\frac{4}{3}*3,14*3^{3} }{2} = \frac{4*3.14*9}{2} = \frac{113.04}{2} = 56.52 km^{3}[/tex]
