如图,在三角形abc中,ad是三角形abc的角平分线de平行于ac df平行于ab ef交ad与点o.问do是三角形def的角平分线吗?请说明理由
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![如图,在三角形abc中,ad是三角形abc的角平分线de平行于ac df平行于ab ef交ad与点o.问do是三角形def的角平分线吗?请说明理由](/uploads/image/z/1646883-27-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E4%B8%89%E8%A7%92%E5%BD%A2abc%E4%B8%AD%2Cad%E6%98%AF%E4%B8%89%E8%A7%92%E5%BD%A2abc%E7%9A%84%E8%A7%92%E5%B9%B3%E5%88%86%E7%BA%BFde%E5%B9%B3%E8%A1%8C%E4%BA%8Eac+df%E5%B9%B3%E8%A1%8C%E4%BA%8Eab+ef%E4%BA%A4ad%E4%B8%8E%E7%82%B9o.%E9%97%AEdo%E6%98%AF%E4%B8%89%E8%A7%92%E5%BD%A2def%E7%9A%84%E8%A7%92%E5%B9%B3%E5%88%86%E7%BA%BF%E5%90%97%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1)
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