如图,已知D,
分别是
中
,
边上的点,
且
,
的周长为4,则
的周长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/12bfd8cb-371d-45b7-843f-c9b8914765c4.png?resizew=120)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05e918b9e1f90ce6d2b50279b3cb120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/12bfd8cb-371d-45b7-843f-c9b8914765c4.png?resizew=120)
A.8 | B.10 | C.12 | D.16 |
更新时间:2024-02-21 13:00:16
|
【知识点】 相似三角形的判定与性质综合
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【推荐1】如图,正方形ABCD的对角线AC,BD交于点O,E是BD上的一点,连接EC,过点B作BG⊥CE于点G,交AC于点H,EF⊥EC交AB于点F.若正方形ABCD的边长为4,下列结论:①OE=OH;②EF=EC;③当G为CE中点时,BF=
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【推荐2】如图,在矩形ABCD中,AB=6,BC=8,点E在对角线BD上,且BE=6,连接AE并延长交DC于点F,则CF等于( )
![](https://img.xkw.com/dksih/QBM/2017/4/15/1666349694640128/1667734330220544/STEM/c7f99dab4347456d8eb153bd2a05a9db.png?resizew=138)
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