Solid A and solid B are mathematically similar. Solid A has height 7 cm and surface area 60 cm$^2$, whereas the surface area of solid B is 540 cm$^2$. A diagram of both solids is shown, not drawn to scale.
(main)[3]
Calculate solid B's height.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “21” …