求圆
与圆
的公共弦的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df82492b85f4f13752a30533b95bb26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5a82a2558b265e4b6a507d0c8f47c2.png)
21-22高二上·全国·课后作业 查看更多[3]
更新时间:2021-02-06 22:27:22
|
【知识点】 两圆的公共弦长
相似题推荐
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知圆
与圆
交于
、
两点.
(1)求两圆公共弦
所在直线的方程;
(2)求公共弦的弦长
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc83acde77743bb9409e0909ffd21ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58271e62fcd93be4e9dfa72f54035d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求两圆公共弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求公共弦的弦长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】圆
内有一点
,过
的直线交圆于A、B两点.
(1)当弦AB被
平分时,求直线AB的方程;
(2)若圆
与圆
相交于E,F两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba9f3eea6caa3edc4331147dd4d51221.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
(1)当弦AB被
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b687cd8d94fe9a85d9baa43e2dc747b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28baa3ec1ef83511eff382dcc0c885be.png)
您最近一年使用:0次