已知
,
为直线
上两点,且
,
,直线
:
.
(1)求直线
方程;
(2)若
,求
,
之间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473cb51e930729ed70b6c60ac011906f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a26fec570fbe4d63cb0251c7831d643.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
更新时间:2020-12-04 14:31:12
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【推荐1】在△ABC中, 顶点B的坐标为(1,2),顶点A在x轴上,边BC上的高AH所在直线的方程为x-2y+1= 0, 边AB,AC所在直线的倾斜角之和为180º.
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【推荐2】如图,圆
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3bea7383acbd1da6d0d5f10ef1b2aed.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
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【推荐1】已知直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8317919757eee6f74086ea9015bc37.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1927cdb352a9ef83825f4d2ac9d05497.png)
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【推荐2】已知圆C的圆心为直线
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(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f4ce8808384417be24e85762222769.png)
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