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Mathematics, 27.11.2020 08:30 weirdojuwin

Rui Feng wants to paint the exterior surface of 12 closed cylinders which have base radius 14 cm and height 40 cm. Find total surface area of cylinders that he has to be painted.

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Rui Feng wants to paint the exterior surface of 12 closed cylinders which have base radius 14 cm and...
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