Mathematics for IGCSE & O level - Similarity (Section 1 - No. 23)
If the volume of a box is 24 cm³ and a similar box has sides that are twice as long, what is the volume of the larger box?
48 cm³
72 cm³
144 cm³
192 cm³
解释
The scale factor is 2, thus the volume increases by 2^3 = 8, so 24 * 8 = 192 cm³