如图,
,F是
的中点,连接
并延长交
于点G.
(1)用等式表示线段
与
的数量关系,并证明;
(2)写出线段
与
的位置关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c335408ba2c005f6c5f723dd1d88098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/24/435c4ea3-5dfa-4a95-b07b-6467f6d25480.png?resizew=120)
(1)用等式表示线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
(2)写出线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
更新时间:2023-10-21 21:53:30
|
【知识点】 全等三角形综合问题
相似题推荐
解答题-证明题
|
适中
(0.65)
名校
【推荐1】如图,
和
均为等腰三角形,点
,
,
在同一直线上,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/2a6a58f9-1714-4c36-86d8-94937119e2e8.png?resizew=151)
(1)如图1,若
.填空:
= ________
,
________
;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/301910ce-caa8-423f-8f01-b60d9ca22f8e.png?resizew=148)
(2)如图2,若
,试猜想
之间的关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b40c2b0ab8e1cfe5112d428b4b829f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0acc93490a6a784eb62201d93dd93d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/2a6a58f9-1714-4c36-86d8-94937119e2e8.png?resizew=151)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe4e16c1089c2000878fdb5cdacce87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d63783f365e666ace307cadcaba60fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/301910ce-caa8-423f-8f01-b60d9ca22f8e.png?resizew=148)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f354923a8254c212b1c4a3d64a83a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16147e8e155f8ccceeca0e41542fe686.png)
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解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,CA=CB,CD=CE,∠ACB=∠DCE=α,AD、BE交于点H,连CH.
(1)求证:△ACD≌△BCE;
(2)求证:HC平分∠AHE;
(3)求∠CHE的度数(用含α的式子表示).
(1)求证:△ACD≌△BCE;
(2)求证:HC平分∠AHE;
(3)求∠CHE的度数(用含α的式子表示).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/fc81917a-7a8a-4823-9cf7-0ba82ec334ea.png?resizew=212)
您最近一年使用:0次