题目
题型:不详难度:来源:
A.若α⊥β,m⊂α,n⊂β,则m⊥n |
B.若α∥β,m⊂α,n⊂β,则m∥n |
C.若m⊥n,m⊂α,n⊂β,则α⊥β |
D.若m⊥α,m∥n,n∥β,则α⊥β |
答案
解析
核心考点
试题【设m,n是两条不同的直线,α,β是两个不同的平面,下列命题中正确的是( )A.若α⊥β,m⊂α,n⊂β,则m⊥nB.若α∥β,m⊂α,n⊂β,则m∥nC.】;主要考察你对向量与空间位置关系等知识点的理解。[详细]
举一反三
A.0 |
B.1 |
C.2 |
D.3 |
A.若l//α,l//β,则α//β |
B.若l//α,l⊥β,则α⊥β |
C.若α⊥β,l⊥α,则l⊥β |
D.若α⊥β,l//α,则l⊥β |
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015246-63836.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015246-35629.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015246-60714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-20554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-69243.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-48137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-92763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-19589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-77908.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-13542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-33527.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015248-62041.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-48137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015248-58440.png)
(2)求直线
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-13542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015247-48137.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015226-89799.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015226-87464.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015227-19524.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015227-25350.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015227-82313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015227-64033.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015227-29714.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015227-69749.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015227-46035.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-90031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-67664.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-18552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-90031.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-60933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-95529.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015229-36298.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015229-41567.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-95529.png)
(2)求折后直线
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015229-87485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015228-95529.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015230-66846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015208-79444.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015208-62315.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015208-30832.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015208-11808.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015209-92105.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015209-37763.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015209-44777.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015209-64289.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015210-42616.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015208-62315.png)
(2)求二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015210-74382.png)
(3)证明:在线段
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015210-95572.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015210-55214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015211-85590.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015211-30675.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106015211-47461.png)
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