Mathematics, 09.12.2020 14:00 pr47723
A container is made up of a hollow cone with an internal base radius of r cm and a hollow cylinder with the same base radius and an internal height of 4r cm. Given that the height of the cone is three-fifths of the height of the cylinder and 7 litres of water is needed to fill the conical part of the container completely, find the amount of water needed to fill the container completely, giving your answer in litres.
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A container is made up of a hollow cone with an internal base radius of r cm and a hollow cylinder w...
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