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