题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084638-15850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084638-19618.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084638-15850.png)
的面积为 ( )
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084639-88414.jpg)
如图,在直观图中,
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084639-51152.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084639-19110.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084639-11135.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084640-37482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084640-24780.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084640-83249.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084640-12956.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084641-85306.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084641-11995.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084641-25386.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084641-98575.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084641-49949.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084642-96632.png)
核心考点
试题【已知水平放置的的平面直观图是边长为1的正三角形,那么的面积为 ( )A.B.C.D.】;主要考察你对空间几何体的视图与直观图等知识点的理解。[详细]
举一反三
A.![]() | B.![]() |
C.12 | D.8 |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084634-95598.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084631-45944.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084626-80155.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084620-16175.png)
A.6+![]() | B.24+![]() | C.24+2![]() | D.32 |
其中真命题的个数是
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021084616-39843.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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