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Mathematics for IGCSE & O level - Mensuration (Section 9 - No. 38)

A cone has a base of radius 4.2cm and a slant height of 15cm. Calculate its height.
14.3 cm
14.6 cm
14.4 cm
14.0 cm

Paliwanag

h = √(l² - r²) = √(15² - 4.2²) = 14.3 cm

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