三角形ABC中,AH,BD,CE为角平分线,它们交于F点,过F作FG⊥BC于G三角形ABC中,AH,BD,CE为角平分线,它们交于F点,过F作FG⊥BC于G.(1)若∠ABC=45°,∠ACB=65°,求∠HFG的度数.(2)根据(1)中的规律探索∠ABC,
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![三角形ABC中,AH,BD,CE为角平分线,它们交于F点,过F作FG⊥BC于G三角形ABC中,AH,BD,CE为角平分线,它们交于F点,过F作FG⊥BC于G.(1)若∠ABC=45°,∠ACB=65°,求∠HFG的度数.(2)根据(1)中的规律探索∠ABC,](/uploads/image/z/13303630-46-0.jpg?t=%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2CAH%2CBD%2CCE%E4%B8%BA%E8%A7%92%E5%B9%B3%E5%88%86%E7%BA%BF%2C%E5%AE%83%E4%BB%AC%E4%BA%A4%E4%BA%8EF%E7%82%B9%2C%E8%BF%87F%E4%BD%9CFG%E2%8A%A5BC%E4%BA%8EG%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2CAH%2CBD%2CCE%E4%B8%BA%E8%A7%92%E5%B9%B3%E5%88%86%E7%BA%BF%2C%E5%AE%83%E4%BB%AC%E4%BA%A4%E4%BA%8EF%E7%82%B9%2C%E8%BF%87F%E4%BD%9CFG%E2%8A%A5BC%E4%BA%8EG.%EF%BC%881%EF%BC%89%E8%8B%A5%E2%88%A0ABC%3D45%C2%B0%2C%E2%88%A0ACB%3D65%C2%B0%2C%E6%B1%82%E2%88%A0HFG%E7%9A%84%E5%BA%A6%E6%95%B0.%EF%BC%882%EF%BC%89%E6%A0%B9%E6%8D%AE%EF%BC%881%EF%BC%89%E4%B8%AD%E7%9A%84%E8%A7%84%E5%BE%8B%E6%8E%A2%E7%B4%A2%E2%88%A0ABC%2C)
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