[几何] 又一道初中几何题

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aishuxue posted 2024-7-27 17:23 |Read mode

Last edited by hbghlyj 2025-4-8 05:45在△ABC中,AB=AC,D为AC上一点,E为BD的中点,过点E作EF⊥AE,过点作 DF⊥BC,交EF于点,连接 CF,求证:∠BAC=2∠EAF, DF=CF.

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2025-6-8 07:03 GMT+8

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