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Mathematics for IGCSE & O level - Mensuration (Section 14 - No. 2)
The volume of a cylinder is 400cm³. Its radius is 5.5cm. Calculate its height.
4.2 cm
4.5 cm
4.0 cm
4.1 cm
解释
Volume of cylinder = πr²h, h = Volume / πr² = 400 / (π * 5.5²) = 4.2 cm
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