名校
1 . 如图,在棱长为a的正方体ABCD﹣A1B1C1D1,E,F,P,Q分别是BC,C1D1,AD1,BD的中点,求证:
![](https://img.xkw.com/dksih/QBM/2016/4/15/1572594784075776/1572594789629952/STEM/f5cec3b579ef41f58c168e1991b0ebd8.png?resizew=227)
(1)PQ∥平面DCC1D1
(2)EF∥平面BB1D1D.
![](https://img.xkw.com/dksih/QBM/2016/4/15/1572594784075776/1572594789629952/STEM/f5cec3b579ef41f58c168e1991b0ebd8.png?resizew=227)
(1)PQ∥平面DCC1D1
(2)EF∥平面BB1D1D.
您最近一年使用:0次
2016-12-04更新
|
547次组卷
|
3卷引用:2015-2016学年甘肃省嘉峪关市酒钢三中高一上学期期末数学试卷
2015-2016学年甘肃省嘉峪关市酒钢三中高一上学期期末数学试卷甘肃省兰州市第五十五中学2019-2020学年高一上学期12月月考数学试题(已下线)【新教材精创】11.3.3 平面与平面平行(第1课时)导学案(1)
2 . 边长为
的正方形
所在的平面与
所在的平面交于
,且
平面
,
.
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/83d12497892c48b083fffaa6326398dc.png)
(1)求证:平面
平面
;
(2)设点
是棱
上一点,若二面角
的余弦值为
,试确定点
在
上的位置.
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/c559dab2fc3e42119bb4b610943e32dc.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/5b27d986b6d34a9ab50564ee9b14274a.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/e01712a09e6c491e9ce58af017eec5b8.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/4181875298b1458f80b758ecf922b5fe.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/bec32ce72c8f46f9b5bd1f063628e118.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/7b8846d92d344ab4801f4e89f5df97d7.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/dc4987ca409f4a3aa276c6bcb27e964d.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/83d12497892c48b083fffaa6326398dc.png)
(1)求证:平面
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/7b5009cf9c884801a57b4871c6ffecaa.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/c8f9b6054cb146dbb32d4df0efc60ffa.png)
(2)设点
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/a11c3999164c417d9b94c975d98e8d00.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/de4074e97d0d4b92a25e66e5cda2c5a6.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/ced9d7ab2ce1418084728333a7e981f7.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/0965b66421684067913cffdc70225cfc.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/a11c3999164c417d9b94c975d98e8d00.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581187248128/STEM/de4074e97d0d4b92a25e66e5cda2c5a6.png)
您最近一年使用:0次
3 . 如右下图,在四棱锥
中,直线
平面
,
,
,
(I)求证:直线
平面
. ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9e6289a0368bb7d9fb446a0eecf1e8.png)
(II)若直线
与平面
所成的角的正弦值为
,求二面角
的平面角的余弦值
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/bd41d1efeddb4de3a9d31f3888d83f67.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/f9e52f5039514796a06b3400a7f10c0f.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/2dc94ce27db14d638423d5ae99ad1163.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/6ec6006da4b2455ea9ab2803cb3de022.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/61dceb98b9444b8a80875e6caac2ce5a.png)
(I)求证:直线
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/d46b2e0d9bad40df841276252d3530ac.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/4d950e17bcc44835ae1855c9bac67c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9e6289a0368bb7d9fb446a0eecf1e8.png)
(II)若直线
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/e1df22720dcb486db8ea96d293d6ee10.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/4d950e17bcc44835ae1855c9bac67c23.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/bd23eb7833794aafa3b20d235a2edcd3.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572576988127232/1572576994058240/STEM/008b9c521e084ea2943a2aa83da0cc62.png)
您最近一年使用:0次
4 . 在如图所示的几何体中,四边形
是边长为3的菱形,
,
⊥平面
,
与平面
所成角为
.
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571991564288/1572571997995008/STEM/3c8764c5914c4b74865b91781ddd830a.png)
(Ⅰ)求证:
平面
;
(Ⅱ)求二面角
的平面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77ea3c01a4f8db68aef920dbee9a64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ddd5d3a73b6b5a6a286d26519b34c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d539cc46b0195b1d9963a7305bcd94.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571991564288/1572571997995008/STEM/3c8764c5914c4b74865b91781ddd830a.png)
(Ⅰ)求证:
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571991564288/1572571997995008/STEM/b93fe98e0c804edb9ba89d8809d596f8.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571991564288/1572571997995008/STEM/fc0ffa8b0c354d31a2e7b3ffb247b496.png)
(Ⅱ)求二面角
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571991564288/1572571997995008/STEM/6b7b150c5f4e476994c2773933cc8fc2.png)
您最近一年使用:0次
5 . 如图,四边形
为矩形,且
,
,
为
上的动点.
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571388379136/1572571393908736/STEM/05c4f6cb0fb9429d8f127e64325eefb6.png)
(1)试在
上确定一点
,使
;
(2)设
,在线段
上存在这样的点
,使得二面角
的平面角大小为
, 试确定点
的位置.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13da96a673bb7d70c301e333b4ca994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f448b5ea52ae7d0ee6c2c028b8993d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571388379136/1572571393908736/STEM/05c4f6cb0fb9429d8f127e64325eefb6.png)
(1)试在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571388379136/1572571393908736/STEM/f63ad668631546b6a60b19e71f35e246.png)
(2)设
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571388379136/1572571393908736/STEM/6a0a4ee6988d418f912efdd5ea581795.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571388379136/1572571393908736/STEM/defcd1892b5e4b6f9239aa991bf962b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571388379136/1572571393908736/STEM/ecf5bde0513f47968ec5dcb53f017dfb.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572571388379136/1572571393908736/STEM/0fd6cf422b8b47ba9bd119722e7267b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
6 . 如图,正方形
所在的平面与平面
垂直,
是
和
的交点,
,且
.
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/187bdabeb7494bf2b1ec70e588669f9a.png)
(1)求证:
平面
;
(2)求直线
与平面
所成的角的大小;
(3)求二面角
的大小.
(4)你认为求二面角常用的方法有哪些?请按应用的重要程度写出3种,并就其中一种方法谈谈它的应用条件.
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/9cc9e426190d4299a3c77583223a99d0.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/5497423b6c234073bc464df1ef34b96e.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/d11eab10b64743cea50e9d77303ac95e.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/12cf2174077d4cd3b2965f92918f7f2f.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/ce7593be1f0649ffb308a56f0512c45d.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/3562b0659cca408c9f3a7fa8c6cfbf92.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/702809205e184c59a5b1cfa7286ccc12.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/187bdabeb7494bf2b1ec70e588669f9a.png)
(1)求证:
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/de8ee198420d43bb9beb951aad2c323c.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/164bc8b2f7c14ae9bfcee0d0f7088280.png)
(2)求直线
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/c479c66934934175bdd23fcdef1f585a.png)
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/164bc8b2f7c14ae9bfcee0d0f7088280.png)
(3)求二面角
![](https://img.xkw.com/dksih/QBM/2016/4/7/1572569174687744/1572569181011968/STEM/37b4dba301674268b26de3fd4db73661.png)
(4)你认为求二面角常用的方法有哪些?请按应用的重要程度写出3种,并就其中一种方法谈谈它的应用条件.
您最近一年使用:0次
7 . 已知四棱锥
中
平面
,点
在棱
上,且
,底面为直角梯形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8816f4016e9e656c132fac8f467095ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedfff40d31e4f98f223fd5834a57866.png)
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/2016/4/6/1572565747605504/1572565753372672/STEM/5b8384e943f34d1cbf223c918dbf6a4e.png)
(1)求证:
// 平面
;
(2)求截面
与底面
所成二面角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6153163fecdf3f410411048428ccaef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551e4cd76a93de89ea2750160fe74923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f9d7c0897decece12409432fc1191a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8816f4016e9e656c132fac8f467095ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedfff40d31e4f98f223fd5834a57866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211a44ffb09c7413dac58e9cea70fd9.png)
![](https://img.xkw.com/dksih/QBM/2016/4/6/1572565747605504/1572565753372672/STEM/5b8384e943f34d1cbf223c918dbf6a4e.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b60870baa5e3fbc33a749aa5f0a94be.png)
(2)求截面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101d5eb54d3f629a378bfd5324f554dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
8 . 已知正方体AC1的棱长为a,过B1作B1E⊥BD1于点E,过点E作EF⊥BD于F.
![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560383500288/1572560389644288/STEM/5dbfaec74dc246d6b2170aef5e0d4870.png)
(1)证明EF∥平面ABB1A1;
(2)求A,E两点之间的距离.
![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560383500288/1572560389644288/STEM/5dbfaec74dc246d6b2170aef5e0d4870.png)
(1)证明EF∥平面ABB1A1;
(2)求A,E两点之间的距离.
您最近一年使用:0次
9 . 如图,在底面是矩形的四棱锥P﹣ABCD中,PA⊥平面ABCD,PA=AB=2,BC=2,E是PD的中点.
![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560317906944/1572560324009984/STEM/78be1c9a15914e3688580a427dc9d442.png)
(1)求证:平面PDC⊥平面PAD;
(2)求二面角E﹣AC﹣D所成平面角的余弦值.
![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560317906944/1572560324009984/STEM/78be1c9a15914e3688580a427dc9d442.png)
(1)求证:平面PDC⊥平面PAD;
(2)求二面角E﹣AC﹣D所成平面角的余弦值.
您最近一年使用:0次
10 . 在如图所示的四面体ABCD中,AB、BC、CD两两互相垂直,且BC=CD=1.
![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560182697984/1572560188776448/STEM/6a205bd98786407582ae35b4c3b7872c.png)
(1)求证:平面ACD⊥平面ABC;
(2)求二面角C﹣AB﹣D的大小;
(3)若直线BD与平面ACD所成的角为θ,求θ的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/3/28/1572560182697984/1572560188776448/STEM/6a205bd98786407582ae35b4c3b7872c.png)
(1)求证:平面ACD⊥平面ABC;
(2)求二面角C﹣AB﹣D的大小;
(3)若直线BD与平面ACD所成的角为θ,求θ的取值范围.
您最近一年使用:0次