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Mathematics for IGCSE & O level - Mensuration (Section 7 - No. 41)

The volume of a cylinder is 400 cm³. Its radius is 5.3 cm. Calculate its height.
4.5 cm
5.4 cm
3.8 cm
6.2 cm

解释

Volume = πr²h, h = V / πr². h = 400 / (π * 5.3²) = 4.5 cm

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