2025 SAJC P1 Q2

2025 SAJC P1 Q2

5 marks

A closed cylinder is designed to have a fixed external surface area of \(p\) cm\(^2\) such that its volume is maximum. Find the radius of the cylinder in terms of \(p\).[5]

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Answer:\(r=\sqrt{\dfrac{p}{6\pi}}\text{ cm}\)

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