如图,过点
作
的两条割线分别交
于点
、
和点
、
,已知
,
,则
的长是( )
![](https://img.xkw.com/dksih/QBM/2018/12/2/2088295368851456/2089768599019520/STEM/13786c4e56d3442aa9187398c4fe9161.png?resizew=118)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb82aaf1fe89bc5372b0a7a5b33d2dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a7f509e4415e4fede108088e433d5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365822bd3945e6a3e871ca979c84cc12.png)
![](https://img.xkw.com/dksih/QBM/2018/12/2/2088295368851456/2089768599019520/STEM/13786c4e56d3442aa9187398c4fe9161.png?resizew=118)
A.3 | B.7.5 | C.5 | D.5.5 |
更新时间:2018-12-04 22:28:00
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