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Mathematics for IGCSE & O level - Mensuration (Section 2 - No. 30)

Find the radius of a sphere whose volume is 36π cm³.

2 cm

3 cm

4 cm

6 cm

Selitys

V = 4/3πr³. r = ∛(3v/4π). Therefore 36π= 4/3πr³ and therefore r=3 cm

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