FOLLOW US:

SPHERE

Let the radius of the sphere be r. Then,

(i) . Volume = (

4/3

πr³)cubic unit

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(ii) . Surface Area = (4πr²)sq. unit

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HEMISPHERE

(i) . Volume = (

2/3

πr³)cubic unit

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(ii) Curved surface area = (2πr²)sq. unit

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(iii) . Total Surface Area = (3πr²)sq. unit

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