As shown in the figure, the solid is constructed by a cone and semi-sphere. The radius of the cone is 3cm and its height is 12cm. Find the volume of the composite figure shown, correct to two decimal places.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: As shown in the figure, the solid is constructed by a cone and semi-sphere. The radius of the cone is 3cm and its height is 12cm. Find the volume of the composite figure shown, correct to two decimal places.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: As shown in the figure, the solid is constructed by a cone and semi-sphere. The radius of the cone is 3cm and its height is 12cm. Find the volume of the composite figure shown, correct to two decimal places.