如图,在
中,
,且
,
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105068b25f5a63af32f4082cfe08691e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19338598965bb3856cdd0236bbf694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.6 | B.8 | C.10 | D.12 |
更新时间:2023-04-15 19:19:42
|
【知识点】 相似三角形的判定与性质综合
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系
中,四边形
的边
与y轴的正半轴重合,
,
轴,对角线
与
交于E点.已知
,
的面积为2.若反比例函数
的图象恰好经过点E,则k的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7110a27677d14db9991cbc80f9fb4edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaa4f63f17c1748c7035c761a9d7cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019fd636c650dc38da30354c1087b1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f87f4938633ec8ab5fe4639d4cccc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c771a4feb150ad9cff8d70431c97eb17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
A.![]() | B.![]() | C.8 | D.16 |
您最近一年使用:0次
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适中
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名校
【推荐2】如图,在矩形
中,过点D作对角线
的垂线,垂足为E,过点E作
的垂线交
于点F,如果
,
,那么
的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/22/1e40911f-f3e1-4392-a50a-546c74cc60b8.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/22/1e40911f-f3e1-4392-a50a-546c74cc60b8.png?resizew=151)
A.3 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次