Q11 of 70 Page 19

The ratio between the curved surface area and the total surface area of a right circular cylinder is 1 : 2. Find the volume of the cylinder, if its total surface area is 616 cm2.


Given,


= = and, total surface area of cylinder = 616 cm2


=


So, 2πr(h+r) = 616


= 2πr(2r) = 616


= r2 =


= r =


Hence, volume of cylinder = πr2h =


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