如图,在△ABC中,AE平分∠BAC,∠C>∠B,F为AE上一点,且FD⊥BC于D点.试推出∠EFD,∠B与∠C的关系式当点F在AE的延长线上时,如图2,其余条件都不变,你在题1中推导的结论还成立吗?请说明理由。
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![如图,在△ABC中,AE平分∠BAC,∠C>∠B,F为AE上一点,且FD⊥BC于D点.试推出∠EFD,∠B与∠C的关系式当点F在AE的延长线上时,如图2,其余条件都不变,你在题1中推导的结论还成立吗?请说明理由。](/uploads/image/z/3781271-47-1.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E2%96%B3ABC%E4%B8%AD%2CAE%E5%B9%B3%E5%88%86%E2%88%A0BAC%2C%E2%88%A0C%EF%BC%9E%E2%88%A0B%2CF%E4%B8%BAAE%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94FD%E2%8A%A5BC%E4%BA%8ED%E7%82%B9.%E8%AF%95%E6%8E%A8%E5%87%BA%E2%88%A0EFD%2C%E2%88%A0B%E4%B8%8E%E2%88%A0C%E7%9A%84%E5%85%B3%E7%B3%BB%E5%BC%8F%E5%BD%93%E7%82%B9F%E5%9C%A8AE%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%B8%8A%E6%97%B6%EF%BC%8C%E5%A6%82%E5%9B%BE2%EF%BC%8C%E5%85%B6%E4%BD%99%E6%9D%A1%E4%BB%B6%E9%83%BD%E4%B8%8D%E5%8F%98%EF%BC%8C%E4%BD%A0%E5%9C%A8%E9%A2%981%E4%B8%AD%E6%8E%A8%E5%AF%BC%E7%9A%84%E7%BB%93%E8%AE%BA%E8%BF%98%E6%88%90%E7%AB%8B%E5%90%97%EF%BC%9F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%E3%80%82)
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