在三角形ABC中角A=90度点D在BC上角EDB=1/2角C,BE垂直于DE,DE与AB交于点F,当AB=AC时BE与FD有可关系
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![在三角形ABC中角A=90度点D在BC上角EDB=1/2角C,BE垂直于DE,DE与AB交于点F,当AB=AC时BE与FD有可关系](/uploads/image/z/13309528-40-8.jpg?t=%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%E8%A7%92A%3D90%E5%BA%A6%E7%82%B9D%E5%9C%A8BC%E4%B8%8A%E8%A7%92EDB%3D1%2F2%E8%A7%92C%2CBE%E5%9E%82%E7%9B%B4%E4%BA%8EDE%2CDE%E4%B8%8EAB%E4%BA%A4%E4%BA%8E%E7%82%B9F%2C%E5%BD%93AB%3DAC%E6%97%B6BE%E4%B8%8EFD%E6%9C%89%E5%8F%AF%E5%85%B3%E7%B3%BB)
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