求证两条平行线被第三条直线所截同位角的平分线平行
人气：389 ℃ 时间：2020-02-01 00:24:36
解答
思路：以题目中“第三条”直线为基准,观察两条角平分线与该直线的关系,找到同位角,根据同位角相等,两直线平行来证明.
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