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the ratio between the radius of the base and height of a cylinder is 2:3.if its volume is 1617.find the total surface area of cylinder

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r/h = 2/3 so h = 3r/2

v = πr^2h = 3π/2 r^3 = 1617
r = 7
so, h = 21/2

Now just find the area

a = 2πr(r+h)

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