如图,在
中,D,E是
边上的点,且
,则
被分成三部分,
等于( )
![](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/f5952e8f8293039b82b24d9cee5f60cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0260e3ff41d2aafc69e132a5b5d288.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/8af3a82b-ed18-463a-9f1f-ce22985f50a9.png?resizew=114)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2018-02-06 13:02:31
|
【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,已知
与
位似,位似中心为O,且
的面积与
的面积之比是
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/4889ab53-d87c-4758-b520-7da72686907c.png?resizew=206)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a360d957adb46c5cda3fd35e4d53c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a360d957adb46c5cda3fd35e4d53c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23bbf08bec509c3d5f3ab5b1a93de38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075d20536c6c853aeb0a61b9217a875d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/4889ab53-d87c-4758-b520-7da72686907c.png?resizew=206)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
(0.85)
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【推荐2】已知:如图,△ABC中,DE
BC,
,则△ADE与△ABC的面积比为( )
![](https://img.xkw.com/dksih/QBM/2021/12/21/2877553559977984/2879922394857472/STEM/ae5c6c83-2956-47c6-968a-321cbf8378d8.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e443f2af895d37d8164ea01a4ed295eb.png)
![](https://img.xkw.com/dksih/QBM/2021/12/21/2877553559977984/2879922394857472/STEM/ae5c6c83-2956-47c6-968a-321cbf8378d8.png?resizew=134)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次