Mathematics (Syllabus D) · Oct / Nov 2022 · Paper 11 · Question 23
4024
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[Volume of a cone r h 3 1 2 r = , curved surface area of a cone rl r = ] [Surface area of a sphere r 4 2 r = ] A solid cone has radius y cm. The slant height of the cone is 25% larger than the radius of the cone. A solid sphere has radius R cm. The surface area of the sphere is equal to the total surface area of the cone. R 4
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23(a)[3]
23(b)[4]
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