Mathematics for IGCSE & O level - Similarity (Section 2 - No. 25)
Three similar wooden boxes have heights in the ratio 3:4:5. What is the ratio of their volumes?
3:4:5
9:16:25
27:64:125
6:8:10
Explanation
The volumes scale with the cube of the length. Volume is thus 3³:4³:5³ = 27:64:125.
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