the volume of a cylinder is 6358 cm cube and its height is 28 CM. find the radius and the curved surface area.
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Step-by-step explanation:
Volume of cylinder = πr^2h
22/7×r×r×28 = 6358
r^2 = 6358×7/22×28
r^2 = 72.25
r= 8.5
curved surface of cylinder = 2πrh
2×22/7×85/10×28
44/7× 85/10×28
14960/10
1496cm^2.
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