Mathematics for IGCSE & O level - Similarity (Section 1 - No. 20)
A jug holding 50 cl is 12 cm high. A similar jug holds 2 liters. What is the height of the larger jug?
12 cm
19.0 cm
24 cm
20 cm
説明
Volume scale factor is 2/0.5 = 4. Length scale factor is the cube root of 4, which equals 2. Height of larger jug is 12 x (4)^(1/3) = 19.0 cm