Respuesta :

Step-by-step explanation:

step 1. the volume of a cone (V) is (1/3)(pi)r^2h

step 2. V = (1/3)(pi)8^2(12)

step 3. V = (1/3)(pi)(768)

step 4. V = 256pi

step 5. V = 804.2 yd^3