[几何] 关于四面体各侧面内切圆与旁切球半径的猜想

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lihpb posted 2024-8-4 09:24 From mobile phone |Read mode

四面体各个底面三角形的内切圆半径是否必然小于该底面对应的旁切球半径，怎么证明

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2025-6-8 06:38 GMT+8

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