如图,
,D是线段
上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/11/b8ca417e-70b4-4ddb-a0cf-9fb5cd66b0ba.png?resizew=147)
(1)求证
;
(2)求证
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67061e6fa526d1e082bed7b01c819982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/11/b8ca417e-70b4-4ddb-a0cf-9fb5cd66b0ba.png?resizew=147)
(1)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa98026a648010decfaf672dc9141c9.png)
(2)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833540f7b144c83dbf3e1091fccb1cc3.png)
22-23九年级上·江苏南京·期末 查看更多[2]
更新时间:2023-03-09 12:44:10
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【知识点】 相似三角形的判定与性质综合
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】已知,在等腰
中,
,以
的中点D为顶点作
,分别交
、
于点E、F,
,
,求底边
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eeb0c8df3d8c5260768c5e407b3583a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4873be1b3b4f48cc0d710bee422659b.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/beb6823a329628699619a39cde927510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fc232acd89fc499de346969ce8ced1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/11/00f8f2ac-8f69-466d-be25-4810e0d05991.png?resizew=124)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】小明在网上学习了梅涅劳斯定理之后,编制了下面一个题,请你解答.已知△ABC,延长BC到D,使CD=BC.取AB的中点F,连结FD交AC于点E.
![](https://img.xkw.com/dksih/QBM/2022/2/11/2914035910164480/2924250943414272/STEM/605d8037-4780-4247-ab0d-60eafd561336.png?resizew=358)
(1)求
的值;
(2)若AB=a,FB=AE,求AC的长.
![](https://img.xkw.com/dksih/QBM/2022/2/11/2914035910164480/2924250943414272/STEM/605d8037-4780-4247-ab0d-60eafd561336.png?resizew=358)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42a24b71f64937b1848900d850372e1a.png)
(2)若AB=a,FB=AE,求AC的长.
您最近一年使用:0次