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UNTUT UULUT level will fall. Ans: 11 cm] 37. A sector of circle of radius 9 cm and central angle of 120°. It is rolled up so that the two bounding radii are joined together to form a cone. Find: i. The slant height of the cone. (Ans:/= 9 cm] ii. The radius of the base of the cone.(Ans: r=3 cm] iii. The volume of the cone.(Ans: V= 1870v2 cu.cm] iv. The total surface area of the cone.(Ans: TSA=36ft sq cm]

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