Question

5. The ratio between the curved surface area
and the total surface area of a cylinder is
1:2. Find the ratio between the height and the
radius of the cylinder​

Answer 1

Answer:

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Answer 2

Answer:

Let radius of cylinder be ‘r’ Let height of cylinder be ‘h’ Curved surface area of cylinder / total surface area of cylinder = 1/2 2πrh / 2πr (h+r) = 1/2 h/(h+r) = 1/2 2h = h+r 2h – h = r h = r Height = Radius Hence proved.Read more on Sarthaks.com - https://www.sarthaks.com/677439/ratio-between-curved-surface-surface-right-circular-cylinder-prove-height-radius-equal