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Total surface area of a solid hemisphere is 675 π sq cm. Find the curved surface area of the solid hemisphere.

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Total surface area of a solid hemisphere is 675 π sq cm. Find the curved surface area of the solid hemisphere.

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3 πr2 = 675π cm2

r2 = 225

The CSA of the solid hemisphere,

CSA = 2πr2 = 2π × 225 = 450π cm2

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