12. A sector of circle if radius 9 cm has central angle of 120 degree. It is rolled up so that the two bounding radii are joined together to form a cone. Find 1. The slant height and of the cone 2. The radius of the base of the cone 3. The volume of the cone 4. The total surface area of the cone

12. A sector of circle if radius 9 cm has central angle of 120 degree.

1.	12. A sector of circle if radius 9 cm has central angle of 120 degree. It is rolled up so that the two bounding radii are joined together to form a cone. Find 1. The slant height and of the cone 2. The radius of the base of the cone 3. The volume of the cone 4. The total surface area of the cone
Answer» 12. A sector of circle if radius 9 cm has central angle of 120 degree. It is rolled up so that the two bounding radii are joined together to form a cone. Find 1. The slant height and of the cone 2. The radius of the base of the cone 3. The volume of the cone 4. The total surface area of the cone