名校
1 . 如图,在四面体
中,平面
平面
,
与
均为等腰直角三角形,且
,
,点
在线段
(不含端点)上运动.若线段
(不含端点)上存在点
,使异面直线
与
所成的角为
,则线段
的长度的取值范围是
![](https://img.xkw.com/dksih/QBM/2019/2/9/2137124509040640/2137551227035648/STEM/62f93f8d7d5642d9866f41d884e0746c.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/228a8e89aa8e53c569bdd03d2fe61b6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df6d51738ac1bc8b9530ea4a55745c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7526fe3d1eaa0474866fe4466594b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://img.xkw.com/dksih/QBM/2019/2/9/2137124509040640/2137551227035648/STEM/62f93f8d7d5642d9866f41d884e0746c.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-03-07更新
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5卷引用:广西桂林,百色,梧州,北海,崇左五市2017届高三5月联合模拟数学(理)试题