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Mathematics for IGCSE & O level - Mensuration (Section 8 - No. 4)

A cone has a base radius of 4.2 cm and a slant height of 15.0 cm. Calculate the height
14.3 cm
13.8 cm
14.9 cm
15.3 cm

설명

height = √(slant height² - radius²) = √(15² - 4.2²) ≈ 14.3 cm

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