Mathematics for IGCSE & O level - Mensuration (Section 9 - No. 26)
If the base area of a cone is 20 cm² and the height is 9 cm, what is the cone's volume?
60 cm³
180 cm³
30 cm³
120 cm³
Explanation
Volume of a cone is 1/3 * base area * height = 1/3 * 20 cm² * 9 cm = 60 cm³
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