题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093930-98919.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-72137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-55119.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-91169.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-17891.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093930-98919.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-72137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093932-41839.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093930-98919.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-72137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093932-31217.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-55119.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-91169.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093932-41839.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-17891.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093932-57234.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093932-25278.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-72137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093932-64972.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093930-98919.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093931-72137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093933-71702.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093933-38253.gif)
取线段
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093933-71895.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093933-97775.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093934-55314.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093934-37043.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093934-19497.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093934-13917.gif)
核心考点
试题【已知AB、CD是两平行平面、内的异面线段,AB=,CD=,它们所成的角为.平面、的距离为.求证:不论AB、CD在、内如何移动,三棱锥的体积不变,并用,,,表示体】;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
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-50577.jpg)
如图,已知正三棱柱
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-82259.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-85049.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-66895.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-43965.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-53537.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-69219.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093917-40752.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093918-54714.gif)
(1)求此正三棱柱的侧棱长;
(2)求二面角
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093918-17167.gif)
(3)求点
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093918-99444.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093918-34123.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093906-91602.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093859-59864.gif)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093853-46587.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093854-94192.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093854-88826.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093854-88826.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093854-54490.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093854-74952.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093855-25859.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093850-64614.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093851-60640.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093851-39330.gif)
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![](http://img.shitiku.com.cn/uploads/allimg/20191021/20191021093851-17774.gif)
图3
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