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Mathematics, 24.11.2021 05:30 k3thagoat

A tin of paint covers a surface area of 50m2. Each tin costs £4.90. The entire surface of a solid cylindrical rod with diameter 10m and height 13m needs to be painted. Find the minimum cost of painting the rod.

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A tin of paint covers a surface area of 50m2. Each tin costs £4.90. The entire surface of a solid cy...
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