某城市的几条道路如图14所示,道路AB与道路CD平行,道路AB与道路AF的夹角为45°,城市规划部门准备重修一条道路CE,要使CE与AF平行,则∠DCE应为多少°?请说明理由
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![某城市的几条道路如图14所示,道路AB与道路CD平行,道路AB与道路AF的夹角为45°,城市规划部门准备重修一条道路CE,要使CE与AF平行,则∠DCE应为多少°?请说明理由](/uploads/image/z/13038271-7-1.jpg?t=%E6%9F%90%E5%9F%8E%E5%B8%82%E7%9A%84%E5%87%A0%E6%9D%A1%E9%81%93%E8%B7%AF%E5%A6%82%E5%9B%BE14%E6%89%80%E7%A4%BA%2C%E9%81%93%E8%B7%AFAB%E4%B8%8E%E9%81%93%E8%B7%AFCD%E5%B9%B3%E8%A1%8C%2C%E9%81%93%E8%B7%AFAB%E4%B8%8E%E9%81%93%E8%B7%AFAF%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA45%C2%B0%2C%E5%9F%8E%E5%B8%82%E8%A7%84%E5%88%92%E9%83%A8%E9%97%A8%E5%87%86%E5%A4%87%E9%87%8D%E4%BF%AE%E4%B8%80%E6%9D%A1%E9%81%93%E8%B7%AFCE%2C%E8%A6%81%E4%BD%BFCE%E4%B8%8EAF%E5%B9%B3%E8%A1%8C%2C%E5%88%99%E2%88%A0DCE%E5%BA%94%E4%B8%BA%E5%A4%9A%E5%B0%91%C2%B0%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1)
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