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Abstract. This is an exercise without a conclusion, intended to examine a phenomenon that, in the relativistic world, seems most difficult to comprehend, let alone explain – relativistic rotational angular momentum. Many have tackled the problem, known as the “Ehrenfest Paradox,” primarily in terms of analyzing effects on the size and geometry of a relativistically rotating disk. Length contraction and time dilation interplay with aspects of general relativity and hyperbolic geometry according to the experts.















