The base area and the curved surface area of a cylinder are equal. What is the ratio of the base radius and height?
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The base area and the curved surface area of a cylinder are equal. What is the ratio of the base radius and height?
The base area and the curved surface area of a cylinder are equal. What is the ratio of the base radius and height?
Curved surface area of the cylinder = Base
perimeter x height = 2 πrh
Base perimeter = πr2
If it is equal, 2 π rh = πr2
2rh = r × r, 2h = r
i.e., The radius is twice the height.