已知△
的三个顶点分别是
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/11/11/2590679937679360/2591621668855808/STEM/efc6f061d5be44ee98a5c4c7af518931.png?resizew=138)
(1)求
边上的高所在直线的点法向式方程;
(2)如图,若四边形
是平行四边形,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e951d6d2369e8da79a793a93a66a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5aff761b1f7fb021a1251354e71c20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d7d75a66dd9e14c866e39e82074d70.png)
![](https://img.xkw.com/dksih/QBM/2020/11/11/2590679937679360/2591621668855808/STEM/efc6f061d5be44ee98a5c4c7af518931.png?resizew=138)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)如图,若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
20-21高二上·上海浦东新·期中 查看更多[3]
上海市建平中学2020-2021学年高二上学期期中数学试题沪教版(2020) 选修第一册 精准辅导 第1章 1.2(4) 直线的一般式方程(第2课时)(已下线)1.2直线的方程(作业)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020选择性必修第一册)
更新时间:2020-11-12 23:30:41
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