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[几何] 三角问题

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exctttt posted 2023-4-10 23:54 |Read mode

已知 $\triangle ABC$ 的三边 $a,b,c$，$h$ 为 $BC$ 上的高，若 $b+c=a+h$，求 $\tan A$ 的最小值.
答案是 $\dfrac{24}{7}$.

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kuing posted 2023-4-11 00:34

前两天刚写过，见：zhihu.com/question/594324123/answer/2974871823

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original poster exctttt posted 2023-4-22 13:03

kuing 发表于 2023-4-11 00:34
前两天刚写过，见：https://www.zhihu.com/question/594324123/answer/2974871823

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