题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210344-83565.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210346-15610.jpg)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210346-74735.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210346-48311.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210346-70018.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210346-89287.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210347-41691.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210346-89287.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210347-41691.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210347-10943.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210348-39066.gif)
设
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210348-53572.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210348-80231.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210349-11318.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210349-55811.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210349-84884.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210349-91930.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210350-19438.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210348-80231.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210350-60050.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210350-52537.gif)
核心考点
举一反三
(1)求点A到平面B1BCC1的距离;
(2)当AA1多长时,点A1到平面ABC与平面B1BCC1的距离相等.
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210336-73086.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210332-61897.jpg)
A.![]() | B.![]() | C.2.6 | D.2.4 |
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210306-71672.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210306-79310.gif)
∠ADC=arccos
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210306-96739.gif)
(1)求异面直线AD与PC间的距离;
(2)在线段AD上是否存在一点F,使点A到平面PCF的距离为
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210306-86579.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022210307-64237.jpg)
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