(2014湖南怀化)两个城镇A、B与两条公路ME、MF位置如图所示,其中ME是东西方向的公路.现电信部门需在C处修建一座信号发射塔,要求发射塔到两个城镇A、B的距离相等,到两条公路ME、MF的距离也必须相等,且在∠FME的内部.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/12/b3ee21f4-c7f9-4e68-b3fb-ede1ebb018aa.png?resizew=188)
(1)那么点C应选在何处?请在图中,用尺规作图找出符合条件的点C(不写已知、求作、作法,只保留作图痕迹);
(2)设AB的垂直平分线交ME于点N,且
km,在M处测得点C位于点M的北偏东60°方向,在N处测得点C位于点N的北偏西45°方向,求点C到公路ME的距离.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/12/b3ee21f4-c7f9-4e68-b3fb-ede1ebb018aa.png?resizew=188)
(1)那么点C应选在何处?请在图中,用尺规作图找出符合条件的点C(不写已知、求作、作法,只保留作图痕迹);
(2)设AB的垂直平分线交ME于点N,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce95f06e9d851e2208b13017613c6fbe.png)
更新时间:2019-06-21 19:46:26
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