Respuesta :
					                   18 inch diameter = 9 inch radius
Sphere Volume = 4/3 • π • r³
Sphere Volume = 4/3 * PI * 9^3
Sphere Volume = 4/3 * PI * 729
Sphere Volume = 3,053.628
					                
					                
					             Sphere Volume = 4/3 • π • r³
Sphere Volume = 4/3 * PI * 9^3
Sphere Volume = 4/3 * PI * 729
Sphere Volume = 3,053.628
 
					                   
					                  