Mathematics for IGCSE & O level - Similarity (Section 2 - No. 13)
The ratio of the volumes of two similar cones is 8:27. What is the ratio of their heights?
2:3
8:27
4:9
64:729
Explanation
The scale factor is the cube root of the volume, thus the ratio is ∛8:∛27 = 2:3
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