Answer: 147.71 yard³
Step-by-step explanation:
The volume of a cone is calculated using the formula:
Volume = ⅓πr²h
where,
π = 3.14
r = Diameter/2 = 8.4/2 = 4.2
h = height = 8
Volume = ⅓ × 3.14 × 4.2² × 8
Volume = ⅓ × 3.14 × 17.64 × 8
Volume = 147.71 yard³