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Mathematics, 25.08.2020 08:01, shanyeah
a open cylinder at the top has a height of twice the radius of its base. The cylinder is filled with water until it is 60% full. 862.4 cm² of water is needed to fill up completely the cylinder. Calculate the surface area of the cylinder, in cm². [ use π = 22/7 ]
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a open cylinder at the top has a height of twice the radius of its base. The cylinder is filled with...
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