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Find the curved surface area of the cylinder. Express your answer in terms of $\pi$.
Mathematics 0580 · IGCSE · Surface area and volume
Surface area and volume — practice question
The figure depicts a sphere with radius 6 cm and a cylinder with height 18 cm and radius $R$ cm. NOT TO SCALE.
The sphere has the same volume as the cylinder.
[For a sphere of radius $r$, the volume is $V = \frac{4}{3}\pi r^3$]