Knowing the diameter of the base of the cone, we determine its radius.
R = OA = D / 2 = 36/2 = 18 cm.
Calculate the volume of the cone using the formula:
V = n * R ^ 2 * h / 3, where R is the radius of the circle at the base of the cone, h is the height of the cone.
V = n * 18 ^ 2 * 9/3 = n * 972 cm3.
Answer: The volume of the cone is n * 972 cm3.
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