11-12高一·甘肃嘉峪关·期末
解题方法
1 . 已知三角形的三个顶点,
求
(1)边
上的高所在的方程;
(2)过点
且平行于
的直线方程;
(3)求
边的高
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bd468f06ffa43ca205119ad7ff3d41.png)
(1)边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次