在
中,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bef89ac0dd5ae192cd9c7222d5041b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459459559720ab5e154a80723c47cc30.png)
A.50° | B.45° | C.40° | D.35° |
更新时间:2023-12-02 16:16:39
|
【知识点】 三角形内角和定理的应用解读
相似题推荐
单选题
|
容易
(0.94)
【推荐1】如图所示,
、
的度数分别为( )度
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/0f5317ca-c89d-4822-a9d8-8b1d495f44ef.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/0f5317ca-c89d-4822-a9d8-8b1d495f44ef.png?resizew=141)
A.80,35 | B.78,33 | C.80,48 | D.80,33 |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】在
中,
,则
的形状是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45adf87e8b504b3a995093e847956d27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.等腰三角形 | B.直角三角形 | C.等边三角形 | D.等腰直角三角形 |
您最近一年使用:0次