Question 7 • MASTER COURSE Geometry
For similar cylinders, surface area scales with the square of the linear scale factor. The surface-area ratio is 54/24 = 9/4, so the linear scale factor from the smaller cylinder to the larger is 3/2. Volume scales by the cube of that factor: 16π × (3/2)³ = 16π × 27/8 = 54π cm³. Therefore, the larger cylinder’s volume is 54π cm³, choice D.
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