名校
1 . 设点
,
关于
面对称的点为
,则线段
的中点
到点
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2a9893407e3e3b57a8b2faf66fde7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d96461d2b3421aed548b754637ca8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知
的三个顶点为
,
,
,则
边上的中线长为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513cf65a8357a5f56ff17986dfdde0f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527bb9ba5ff048bd5aa39e885dd478f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b3d0385a63209fdd60b49ce7b309f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2016-12-04更新
|
402次组卷
|
3卷引用:宁夏青铜峡市高级中学2019-2020学年高二上学期期末考试数学(理)试题