[几何] 外心垂心对称点最小值

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hbghlyj posted 2024-11-4 01:14 |Read mode

$\triangle$ABC中,O是外心,H是垂心,点P和Q满足$\angle PAC=\angle QBC$,作Q关于BC的对称点Q',求$PQ'^2-HP^2$的最小值

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2025-6-8 06:47 GMT+8

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