12. A piece of paper is in the shape of a sector of a circle whose radius is 12 cm and the central angle ofthe sector is 120°. It is rolled to form a cone of the biggest possible capacity. Find the capacity of the cone.?
12. A piece of paper is in the shape of a sector of a circle whose radius is 12 cm and the central angle ofthe sector is 120°. It is rolled to form a cone of the biggest possible capacity. Find the capacity of the cone.?