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Mathematics for IGCSE & O level - Mensuration (Section 9 - No. 45)

If a cone has a base radius of 5cm and a slant height of 13cm, calculate its height.
12 cm
11 cm
10 cm
13 cm

解释

h = √(slant height² - radius²) = √(13² - 5²) = 12 cm

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