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 Question from Belgacem: Hello, I have a truncated cone: height 500mm , Base radius=147mm and I want to calculate the Top surface radius. How to do that? thank you

Hi,

My diagram contains two cones on the same base but with different heights. Slice the tops of the cones at the height $h$ units above the base to obtain two truncated cones. They have the same base and the same height but the radii of the top circles are different.