a solid cylinder has a total surface area of 231 cm2.Its csa is ⅔ of the total surface area. Find the radius of cylinder
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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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i hope this is helpful
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