1 . 如图1,在直角梯形ABCD中,
,
,
,
,E在AB上,且
为边长为2的等边三角形.将
沿DE折起,使得点A到点P的位置,平面
平面BCDE,如图2.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/24/4fdb590d-732c-43c5-80d9-2e3e758ec35b.png?resizew=304)
(1)若F为PC的中点,证明
平面PDE;
(2)证明:
;
(3)求直线BP与平面DCBE所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac48b9ac8efbf41d6ab5242d247bd89.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/24/4fdb590d-732c-43c5-80d9-2e3e758ec35b.png?resizew=304)
(1)若F为PC的中点,证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d888c0b616792a2c41ff180de99fbb.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c383691e8d740830a865b12d66f7633.png)
(3)求直线BP与平面DCBE所成角的大小.
您最近一年使用:0次
名校
2 . 如图,在四棱锥
中,底面
是矩形,
,
,已知
,且
平面
,
,
.
平面PFG,并说明理由;
(2)若二面角
的余弦值为
,求PG与平面PEM所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d5b85618337a9d7d86d36fb30b370e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db807b09cc550f476b3f8fa0c6a14425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2567f15f36ff5188f82f3f8815f414c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6463cc2d538c07f029e0b13f7728d602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80deda85e1c07a6771f335fa392a2514.png)
(2)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c563ff3687fc88daaf60c17399616d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
您最近一年使用:0次
2022-07-21更新
|
988次组卷
|
4卷引用:辽宁省葫芦岛市2021-2022学年高一下学期期末数学试题
辽宁省葫芦岛市2021-2022学年高一下学期期末数学试题(已下线)专题强化训练四 直线与平面所成的角、二面角的平面角的常见解法(1)-《考点·题型·技巧》(已下线)第03讲 空间中平行、垂直问题10种常见考法归类(2)辽宁省大连市第三十六中学2022-2023学年高一下学期6月月考数学试题
3 . 如图,在直三棱柱
中,
,且
,
,
,
是棱
的中点,
是棱
上的点,满足
.
![](https://img.xkw.com/dksih/QBM/2022/7/19/3025835179589632/3026888124522496/STEM/7a892ba0c1dc4292b7d5202c2dcff261.png?resizew=145)
(1)证明:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e240a6378adf6d23ebf9cc710c9bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022365ed188bd800e0b8a2b4ec1e2303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e840e386b2870205de3c7a21f97668e4.png)
![](https://img.xkw.com/dksih/QBM/2022/7/19/3025835179589632/3026888124522496/STEM/7a892ba0c1dc4292b7d5202c2dcff261.png?resizew=145)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657dffbd3623b705f871878fbd9df57e.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd06851d747f8ccf046bc807b2523e65.png)
您最近一年使用:0次
4 . 如图,在几何体
中,四边形
是菱形,
平面
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/5f5478b9-6b9c-4e75-9c04-f5e90b185c0a.png?resizew=201)
(1)证明:平面
平面
;
(2)若
,
,且二面角
是直二面角,求直线
与平面
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e0bd4b30dc777ac9da80f6baa3eb31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a2612c3ed33135b60b5a08c173c9f84.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/5f5478b9-6b9c-4e75-9c04-f5e90b185c0a.png?resizew=201)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ce82a4c37365f2d4dea2c4ad2e3288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2443a94bed3d2b1f95c04ebd61ac134a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179071147b940f5e2f80e74526cebf92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1496042c1d721cffd25053e997a9a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a34e44c5d7e1d22521fb293994f5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
5 . 如图,在以
为顶点的五面体中,面
为正方形,
,
,且二面角
与二面角
都是
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/22/8b4d991a-1572-4076-a7d4-8107828cc9da.png?resizew=195)
(1)证明:
平面EFDC;
(2)求直线
与平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708b70cc6e08253e6b476dfbd1a2e749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9839448fd9fc1777c0638195d26a78d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0e38c274227cbc24bda9ecb457ebfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9726261c25e7086835912c0d4815d270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4343d561ca5566c09bccb8f321be0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/22/8b4d991a-1572-4076-a7d4-8107828cc9da.png?resizew=195)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962cdb84a4a8cc279bb54e19cb76c7fd.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6240d4cf0fb44aa1e6bdaf2a4bdfb37e.png)
您最近一年使用:0次
6 . 如图,在三棱锥D-ABC中,△ABC是边长为2的正三角形,△ADC是以AC为底边的等腰直角三角形,E为AC的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/19/de80a130-22ee-4153-ac43-5f3fe2fb2221.png?resizew=194)
(1)证明:平面BED⊥平面ACD;
(2)若BD=2,点F在BD上,当△AFC的面积最小时,求FA与平面ABC所成角的正弦值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/19/de80a130-22ee-4153-ac43-5f3fe2fb2221.png?resizew=194)
(1)证明:平面BED⊥平面ACD;
(2)若BD=2,点F在BD上,当△AFC的面积最小时,求FA与平面ABC所成角的正弦值.
您最近一年使用:0次
7 . 如图所示,在直角梯形BCEF中,
,A,D分别是BF,CE上的点,且
,
,将四边形ADEF沿AD折起,连接BE,BF,CE,AC.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/18/9590aac9-f994-41d8-9558-2667275643af.png?resizew=264)
(1)证明:
面BEF;
(2)若
,求直线BF与平面EBC所成的角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb18f3937480ab5ad6cf0d65a357c75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc5e7e3011ea41abd70e1a2c01b0b3e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/18/9590aac9-f994-41d8-9558-2667275643af.png?resizew=264)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429551ecb5930b2f033019e4d5b37ad7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a05d97047e3a5c8e125d334d478ee8e.png)
您最近一年使用:0次
2022-07-13更新
|
352次组卷
|
2卷引用:河南省驻马店市2021-2022学年高一下学期期末数学试题
8 . 如图所示,在四棱锥
中,已知底面
是边长为6的菱形,
,
,
,
为线段
上的点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/9522ae1a-ca64-4a81-aaea-69ab7812afd6.png?resizew=184)
(1)证明:平面
平面
;
(2)
为线段
上的一点,且
平面
,求
的值及直线
与平面
的夹角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3903ddf5830536f7ae700e082bc58f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb96e0331eebe80ed1ff610faf531fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a19daec2e4ae64d4b710a80c4783c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee26747d34326dc95617d94aebd10bce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/17/9522ae1a-ca64-4a81-aaea-69ab7812afd6.png?resizew=184)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa0fe5da877bd3d3e406957d58a2679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2022-07-13更新
|
382次组卷
|
3卷引用:湖南省永州市2021-2022学年高一下学期期末数学试题
名校
9 . 如图,在正三棱柱
中,
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/2022/7/8/3018059475951616/3020970611236864/STEM/6653dd75c4ae49f7abe77197469aabfc.png?resizew=133)
(1)证明:
平面
;
(2)求
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0876c707308127bdd67d69a6f98850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2022/7/8/3018059475951616/3020970611236864/STEM/6653dd75c4ae49f7abe77197469aabfc.png?resizew=133)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c920d02068d0e63ffdab70786c526d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a935b7d21a103a264b6e96ecf82dbe4a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
您最近一年使用:0次
2022-07-12更新
|
863次组卷
|
4卷引用:山东省枣庄市2021-2022学年高一下学期期末数学试题
名校
10 . 如图,在三棱锥
中,
,
,
两两互相垂直,
,
分别是
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/11/8a034a64-fdd7-4f98-88a6-279030b9dc3a.png?resizew=245)
(1)证明:
;
(2)设
,
,
和平面
所成角的大小为
,求二面角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/11/8a034a64-fdd7-4f98-88a6-279030b9dc3a.png?resizew=245)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf271d6475f5305bc922677b4cfe28c.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a65b94de267eb6858634181642c65c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3427311203b1958b9ff89084c66a09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca6d1c5eace748465b2dad5065f5111c.png)
您最近一年使用:0次
2022-07-10更新
|
635次组卷
|
5卷引用:湖南省五市十校教研教改共同体2021-2022学年高一下学期期末数学试题
湖南省五市十校教研教改共同体2021-2022学年高一下学期期末数学试题(已下线)微专题16 利用传统方法轻松搞定二面角问题(已下线)高一下学期期末数学考试模拟卷01-2022-2023学年高一数学下学期期中期末考点大串讲(人教A版2019必修第二册)甘肃省张掖市某重点校2022-2023学年高一下学期7月月考数学试题福建省泉州第一中学2022-2023学年高二上学期暑假返校数学试题