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Mathematics for IGCSE & O level - Mensuration (Section 5 - No. 9)

A cylinder has a volume of 300 cm³ and a radius of 3 cm. What is its height?
10.6 cm
15 cm
3.3 cm
23.4 cm

解释

Volume = πr²h. So, h = Volume / πr² = 300 / (π * 3²) ≈ 10.6cm

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