已知直线
与圆
交于
两点,直线
垂直平分弦
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9b11547a6099e4644a45e9ee7fcdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e30dd808253038ec2fa5b41cb3f2137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569f3b9d4d2db31d0d695e462fadfa57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
更新时间:2024-01-14 15:42:20
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解题方法
【推荐1】过
与
的直线与过点
的直线垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf1a6605e782f22ef670c448ed9e210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ca829711ea876255b870eee11349a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71089ea04616c7d94c92bf01b643cb9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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解题方法
【推荐2】若直线
与直线
垂直,则a=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a37df11b25aba874c19017e3ba3275.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad0b59940effd5a9037d0f5ae65be5f.png)
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【推荐1】圆
的圆心坐标是__________ ;半径为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae72a2898746867076a98abe9a92c2b.png)
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【推荐2】在极坐标系中,圆
的圆心到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174e096282d38a2482244880356711da.png)
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