Respuesta :

Answer: 12214.51

Step-by-step explanation:

1.) Use the equation 4/3[tex]\pi[/tex]r in order to calculate the volume of the entire sphere.

4/3[tex]\pi[/tex](18) = 24429.02

2.) Divide the answer in half in order to get the volume of the half sphere.

24429.02 / 2 = 12214.51