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Mathematics for IGCSE & O level - Mensuration (Section 1 - No. 2)

Which formulas are needed to calculate the surface area of a cone?
πr²
2πrh
πrl
πrh

स्पष्टीकरण

The total surface area of a cone includes the base area and the curved surface area: base area (πr²) and curved surface area (πrl).

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