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A cone has a slant height of 15 cm and the radius of its base is 9 cm. A sector of a circle with a radius of 15 cm and a central angle of 120 ° is used to make the cone. What is the total surface area of the cone?
261π cm 2
226π cm 2
216π cm 2
312π cm 2 Question ID : 44100925709 Option 1 ID : 441009102454 Option 2 ID : 441009102451 Option 3 ID : 441009102452 Option 4 ID : 441009102453 Status : Not Attempted and Marked For Review Chosen Option : --
216π cm 2
Practice and solve "A cone has a slant height of 15 cm and the radius of its base is 9 cm. A sector of a circle with a r..." for Mathematics - Previous Year Paper 2026. The correct answer is Option C: 216π cm 2. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A cone has a slant height of 15 cm and the radius of its base is 9 cm. A sector of a circle with a r..." for Mathematics - Previous Year Paper 2026. The correct answer is Option C: 216π cm 2. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.