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[几何] 求证轨迹是双曲线

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hbghlyj posted 2020-8-3 10:15 |Read mode

∠BAD=∠EAC,F在直线AB上运动,∠FDA=∠AEH,∠FEA=∠ADH，求证H的轨迹是过A的双曲线，一条渐近线平行于AC
以上均为有向角

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original poster hbghlyj posted 2025-3-11 18:28

顶

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2025-7-20 05:39 GMT+8

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