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[几何] 定角,定距,求面积最大值

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力工 posted 2025-3-29 15:24 |Read mode
Last edited by 力工 2025-3-31 08:18这题大佬们有什么好的办法?求教。
在$\triangle ABC$中,$A=60\du,P$为$\triangle ABC$所在平面内一点,
使得$PA=6,PB=7,PC=10$,求$\triangle ABC$面积的最大值.

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改自:https://kuing.cjhb.site/forum.php?mod=viewthread&tid=13643  posted 2025-3-31 08:24

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