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Mathematics for IGCSE & O level - Mensuration (Section 11 - No. 20)

What is the formula for the surface area of a solid hemisphere (including the base)?
2πr²
3πr²
4πr²
πr²

स्पष्टीकरण

The total surface area of a solid hemisphere is the sum of its curved surface area (2πr²) and the area of the circular base (πr²), resulting in 3πr²

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