在图中分别画出三角形BC边上的高.
![](https://img.xkw.com/dksih/QBM/2021/8/27/2795318507585536/2795448920399872/STEM/291be88d5f584a7c8f30babdc0bba1f2.png?resizew=337)
21-22八年级上·全国·单元测试 查看更多[2]
(已下线)第11章 三角形【培优卷】-2021-2022学年八年级数学上册同步必刷基础拓展单元卷(人教版)(已下线)第11章 三角形【B卷】-2021-2022学年八年级数学上册同步必刷基础拓展单元卷(人教版)
更新时间:2021-08-27 22:58:17
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解答题-作图题
|
较易
(0.85)
名校
【推荐1】如图,
中,
,
是
的两条高,
,
.
,
;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070bc896d35495237fd65576e9b6f88e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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解答题-作图题
|
较易
(0.85)
【推荐2】如图,在平面直角坐标系中,
的三个顶点的坐标分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/bb21f796-50af-4feb-93fb-d1385a7220ff.png?resizew=258)
(1)画出与
关于
轴对称的
;
(2)用无刻度的直尺作
的高
.(不写作法,保留作图痕迹)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866ab2a35e94127055b8179f6d02e008.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/bb21f796-50af-4feb-93fb-d1385a7220ff.png?resizew=258)
(1)画出与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)用无刻度的直尺作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次