Mathematics for IGCSE & O level - Similarity (Section 1 - No. 47)
A glass is 12 cm high. How tall is a similar glass that holds twice as much?
12√2 cm
12∛2 cm
24 cm
12 cm
解释
Volume scale factor is 2. Length scale factor = 2^(1/3). Height = 12 * 2^(1/3).