如图,BG平分
,CG平分
,若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246a86f34603eaf2e6a948681b831b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a99bb5ad8cf2abdde96624509bc7bfde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1d022d3e2ce3de30aed111cff7550a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://img.xkw.com/dksih/QBM/2019/8/30/2279993150586880/2280105068519424/STEM/b4979161247149259f0b8d76f71fd3f4.png?resizew=171)
更新时间:2019-08-30 20:28:32
|
【知识点】 与角平分线有关的三角形内角和问题解读
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
【推荐1】如图,在
中,
,
平分
,
为
边上的高,若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c001d570e900bcb22e15257790189ca9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/12/410b03b2-f4ba-4767-973f-1869887351e8.jpg?resizew=94)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
名校
【推荐2】如图,已知
是
的外角
的平分线,且
交
的延长线于点
.
![](https://img.xkw.com/dksih/QBM/2020/5/4/2455666952527872/2456232883658752/STEM/52020fdf-bc73-4d4d-841a-50d846f72fc9.png?resizew=251)
(1)如果
求出
的度数;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/2020/5/4/2455666952527872/2456232883658752/STEM/52020fdf-bc73-4d4d-841a-50d846f72fc9.png?resizew=251)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2deb73bf930a9c251a2c454372c91ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd390df572a2a52a804fe1d6e978645.png)
您最近一年使用:0次