Respuesta :

sphere
[tex]v = \frac{4}{3} \pi \times r^{3}[/tex]
cylinder
[tex]v = \pi( {r}^{2} ) \times h[/tex]
the radius is diameter divide by 2

1.by getting the Volume of the sphere multiply by how many there are
2. Volume of cylinder - Volume of sphere
the volume around sphere is 12.28in^3