If the total surface area of 2 cylinders are equal , even though the radius is doubled the original one . What is its height ?
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Let r and h be radius and height of the cyclinder, then C.S.A. = 2πrh
Now, radius is doubled and height is halved.
∴ New radius = 2r and new height = h / 2
Now, radius is doubled and height is halved.
∴ New radius = 2r and new height = h / 2
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