如图,平面直角坐标系中,点A在y轴上,线段
的中点P的坐标为
,
与x轴相切于点C,则
的长度为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/64b60fa6-bdfc-4955-8035-27f536e97510.png?resizew=124)
更新时间:2023-12-01 22:13:40
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