Mathematics for IGCSE & O level - Similarity (Section 2 - No. 9)
If the volume of a cube is 64 cm³, and a similar cube has a side length that is twice as long, what is the volume of the larger cube?
128 cm³
256 cm³
384 cm³
512 cm³
Explanation
If the side length is doubled, the volume is scaled by 2³ = 8. Thus, 64 * 8 = 512 cm³
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