如图,△ABC的周长为19, 点D、E在边BC上,∠ABC的平分线垂直于AE,垂足为N ,∠ACB的平分线重直于AD,垂足为M,若BC=7,则MN的长度为____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/20/3fa9be81-af06-4df1-9f97-77e3d156d67e.png?resizew=211)
19-20八年级下·江苏苏州·期末 查看更多[6]
江苏省苏州市姑苏区六校联考2019- 2020学年八年级下学期期末数学试题江苏省无锡市惠山区2020-2021学年八年级下学期期中数学试题江苏省淮安市洪泽区2021-2022学年八年级下学期期中数学试题2022年天津市南开区九年级二模考试数学试卷(已下线)(培优特训)专项9.7 中位线综合运用问题-2022-2023学年八年级数学下册《同步考点解读·专题训练》(苏科版)(已下线)八下第二次月考模拟试卷-【单元测试】2022-2023学年八年级数学下册分层训练AB卷(人教版)
更新时间:2020-07-18 09:01:56
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