如图,
是
的中线,
,
交
于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a06f9624936200b73a5b0ce0b5bdfad.png)
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/bc8a03eb-96f0-4bf5-971d-8c1cdd4e38f3.png?resizew=133)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3a159924b9692a28071481fcb7f8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a06f9624936200b73a5b0ce0b5bdfad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/bc8a03eb-96f0-4bf5-971d-8c1cdd4e38f3.png?resizew=133)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-02-04 19:08:29
|
【知识点】 由平行截线求相关线段的长或比值解读
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【推荐2】如图,
是
的外接圆,
交
于点E,垂足为点D.
、
的延长线交于点F,若
,
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/178e3fa2e4de57a4c067e79be7d798e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64e0206b1814c35cc96bd2b6b12239a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/10/85e24a4e-e965-429e-abbe-00ea47580851.png?resizew=130)
A.3 | B.4 | C.5 | D.6 |
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