已知△ABC中,∠BAC=45°,以AB、AC为边在△ABC外部作等腰△ABD和△ACE,AB=AD,AC=AE,且∠BAD=∠CAE,连CDBE并交于F,连AF.(1)①如图1,若∠BAD=60°,则∠AFE= ②如图2,若∠BAD=90°,则∠AFE= ③如图3,若
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![已知△ABC中,∠BAC=45°,以AB、AC为边在△ABC外部作等腰△ABD和△ACE,AB=AD,AC=AE,且∠BAD=∠CAE,连CDBE并交于F,连AF.(1)①如图1,若∠BAD=60°,则∠AFE= ②如图2,若∠BAD=90°,则∠AFE= ③如图3,若](/uploads/image/z/5417939-11-9.jpg?t=%E5%B7%B2%E7%9F%A5%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0BAC%3D45%C2%B0%2C%E4%BB%A5AB%E3%80%81AC%E4%B8%BA%E8%BE%B9%E5%9C%A8%E2%96%B3ABC%E5%A4%96%E9%83%A8%E4%BD%9C%E7%AD%89%E8%85%B0%E2%96%B3ABD%E5%92%8C%E2%96%B3ACE%2CAB%3DAD%2CAC%3DAE%2C%E4%B8%94%E2%88%A0BAD%3D%E2%88%A0CAE%2C%E8%BF%9ECDBE%E5%B9%B6%E4%BA%A4%E4%BA%8EF%2C%E8%BF%9EAF.%EF%BC%881%EF%BC%89%E2%91%A0%E5%A6%82%E5%9B%BE1%2C%E8%8B%A5%E2%88%A0BAD%3D60%C2%B0%2C%E5%88%99%E2%88%A0AFE%3D+++++++++%E2%91%A1%E5%A6%82%E5%9B%BE2%2C%E8%8B%A5%E2%88%A0BAD%3D90%C2%B0%2C%E5%88%99%E2%88%A0AFE%3D+++++++++%E2%91%A2%E5%A6%82%E5%9B%BE3%2C%E8%8B%A5)
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