a solid cylinder has a total surface area of 231 sq.cm .its curved surface area is one by three of TSA . find the volume of cynilder.
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Total surface area = 231
2πr(r+h) =231 ...(1)
Curved surface area = 2/3 of total surface area
,
2πr(r+h) =231 ...(1)
Curved surface area = 2/3 of total surface area
,
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