题目
题型:不详难度:来源:
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010849-56795.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010849-48846.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010849-45055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010850-73394.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010849-45055.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010850-31358.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010850-52459.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010850-58182.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010850-40995.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010839-26192.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010839-79675.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010839-52147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010839-21742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010839-47812.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010839-33908.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010839-52147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010840-45096.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010840-88074.png)
(Ⅰ)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010840-86401.png)
(Ⅱ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010840-64435.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010840-49320.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010840-46625.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010840-41049.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-38188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-91297.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-42940.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-44555.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-58436.png)
(1)求证:对任意的
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-28051.png)
(2)若二面角C-AE-D的大小为
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-53067.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-43086.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010831-23333.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010819-46228.png)
(2)求直线PC与底面ABCD所成角
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010819-27659.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010820-10413.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010809-12928.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010809-23163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010809-51818.png)
(1)求证:平面
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010810-39776.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010810-60314.png)
(2)求点A到平面BEF的距离;
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010810-46423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010803-33676.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010803-44485.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010803-70631.png)
(1)求异面直线
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010803-45108.png)
(2)求
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010803-99535.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191106/20191106010803-76882.png)
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