题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031322-82171.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031322-33032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031322-26476.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031322-20151.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031322-82171.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031322-33032.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031323-73130.png)
解析
试题分析:(1)由题意得:
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031323-80819.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031323-90621.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031323-55048.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031323-88138.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031323-15102.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031324-66129.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031324-49260.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031324-59472.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031324-61239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031325-25557.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031322-33032.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031325-53068.png)
核心考点
举一反三
A.北偏东100 | B.北偏西100 | C.南偏东100 | D.南偏西100 |
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031309-34860.png)
A.1 | B.2 | C.3 | D.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031304-47934.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031304-24449.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031304-14938.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031304-43724.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031258-92582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031258-35766.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031258-90054.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031258-39741.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031259-53080.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031259-51066.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031244-27496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031244-47928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031244-80588.png)
①总存在某内角
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031245-93932.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031245-52719.png)
②若
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031245-31778.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031245-31765.png)
③存在某钝角
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031244-27496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031245-92183.png)
④若
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031246-20981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031244-27496.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031246-89542.png)
⑤若
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031246-22401.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191020/20191020031246-71584.png)
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