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[几何] 圆内套圆的最大半径

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力工 Posted 2018-12-27 20:30 |Read mode

已知定圆$O$的半径为$R$，求其内接三角形$ABC$为何种三角形时，此三角形的内切圆半径最大.

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色k Posted 2018-12-27 20:32

欧拉不等式啊！

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Author| 力工 Posted 2018-12-28 21:35

回复 2# 色k
一语提醒梦中淫啊！感谢感色k谢k神！

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