Answer:
V = 972π cubic inches :)
Step-by-step explanation:
The formula for the volume of a sphere is
V = (4/3)πr3
If the diameter is 18 inches, then the radius is 9 inches. Substituting 9 in for r gives us a volume of:
V = (4/3)π(9)3
V = (4/3)π(729)
V = 972π cubic inches
Hope this helps!
