题目
题型:不详难度:来源:
(A)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210236-33977.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210236-58846.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210237-76095.gif)
答案
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210237-17863.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210237-83907.gif)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210228-18409.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210228-12956.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210228-75549.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210228-61684.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210228-63082.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210229-53042.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210229-25260.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210229-65648.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210229-76800.gif)
(1)求
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210229-38482.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210229-25260.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210230-76649.jpg)
如题(19)图,在四棱锥
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210148-59182.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210149-99472.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210149-58582.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210149-77921.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210149-12890.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210149-20086.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210150-59858.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210150-61763.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210150-19167.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210151-97100.gif)
(Ⅰ)点
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210151-92808.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210151-72532.gif)
(Ⅱ)二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210151-56871.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210151-98674.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210137-53932.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210137-74146.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210138-92207.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210138-38535.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210138-54460.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210138-82710.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210129-96422.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210129-90807.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210130-37105.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210130-78374.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210130-87939.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210121-27315.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210121-98151.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210121-42751.gif)
A.4 | B.![]() | C.5 | D.9 |
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