如图,在三角形ABC中,∠BAC=90°,AD垂直于BC,垂足为点D,BF平分角ABC,且交AD与点E交AC与点F,请说明角BED∠AFB相等的理由与
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![如图,在三角形ABC中,∠BAC=90°,AD垂直于BC,垂足为点D,BF平分角ABC,且交AD与点E交AC与点F,请说明角BED∠AFB相等的理由与](/uploads/image/z/14290995-3-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E2%88%A0BAC%3D90%C2%B0%2CAD%E5%9E%82%E7%9B%B4%E4%BA%8EBC%2C%E5%9E%82%E8%B6%B3%E4%B8%BA%E7%82%B9D%2CBF%E5%B9%B3%E5%88%86%E8%A7%92ABC%2C%E4%B8%94%E4%BA%A4AD%E4%B8%8E%E7%82%B9E%E4%BA%A4AC%E4%B8%8E%E7%82%B9F%2C%E8%AF%B7%E8%AF%B4%E6%98%8E%E8%A7%92BED%E2%88%A0AFB%E7%9B%B8%E7%AD%89%E7%9A%84%E7%90%86%E7%94%B1%E4%B8%8E)
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