解题方法
1 . 在棱长为1的正方体
中,点
在棱
上运动,点
在正方体表面上运动,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.存在点![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 设m,n是两条不同的直线,
,
是两个不同的平面,下列命题中正确的是( )
①若
,
,则
②若
,
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808c6d37467a5c995d71e49408503927.png)
③若
,
,
,则
④若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79018590293277ff2d76452a50ad2dbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a93a52c2b943e4c70ace99ed802d2b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808c6d37467a5c995d71e49408503927.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/539a38ada26356d73024fb8533449c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209323a7a4d015f7e570ec578c1731f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b610e3c5b3d78a5730e7f3d736ac28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4042f9c51f83e3367d496e851735d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
A.②④ | B.①② | C.②③ | D.③④ |
您最近一年使用:0次
2023-12-22更新
|
865次组卷
|
4卷引用:四川省遂宁市射洪中学校2023-2024学年高二上学期第三次学月考试数学试题
名校
3 . 如图,
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/cf6bbcd7-93f0-4c93-9690-813b6617f857.png?resizew=164)
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a6b40391f8aa6663f20ea4f96f3f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc438cb8f65c4808454520d11d885d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fd4ce957dc0d1e8740861e8910647f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/cf6bbcd7-93f0-4c93-9690-813b6617f857.png?resizew=164)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f2eae3483395cc6aca5160c64f83eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a06b68dc88cc22301870ad2819a1a2c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f76b6ac1b8875af7156f3239dae6f7.png)
您最近一年使用:0次
名校
4 . 如图,在三棱柱
中,平面
平
,
,
,
.过
的平面交线段
于点E(不与端点重合),交线段BC于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/a7801a73-aa0a-466a-86bd-84c3291a31c3.png?resizew=201)
(1)求证:四边形
为平行四边形;
(2)若F为BC的中点,求直线与
与所成角的
正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d7090639341730951c1bc3c9b6164e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002c709e9fee8d477bddfe595cc760f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e3c9e7c05de9838c0c5d762720d3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/a7801a73-aa0a-466a-86bd-84c3291a31c3.png?resizew=201)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bbb740f8bc13b4be8ca4dc0aef5442.png)
(2)若F为BC的中点,求直线与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27039783266a69df2a96ea0c36cbdcd5.png)
您最近一年使用:0次
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5 . 五棱锥
中,
,
,
,
,
,
,
,平面
平面
,
为
的中点,
(1)求证:
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eedae784fbb992bb62dace87e4d459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6932fbc0ea31c28a51c302b287c936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1a6cd95707c57e85eafd43f7b9fbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7459cac5a01a137bff696095281e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e70eb7baf5d3973fcaf5fc152156508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0725fa4642ac0223c4095f90e65523e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f020ca4ad44801691235958e253907d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb34d6d26481113c0ac4af0366f72e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/a4f88ec2-c8cd-4616-a561-f96f1412301e.png?resizew=186)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0285afe567ca0b32f0ccafc30167cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149596fee6ed1e2d19fd8dadc14a8baf.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149596fee6ed1e2d19fd8dadc14a8baf.png)
您最近一年使用:0次
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解题方法
6 . 如图,
平面
,
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88dac2c17c765517c2163ab43bbe1038.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/8801ece7-68dd-4912-9239-ba7507ee4d23.png?resizew=173)
(1)求证:
//平面
;
(2)求直线
与平面
所成角的正弦值;
(3)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f555fb7ea6e77a6e0fe38586a3992d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ca2e3660659b7ecbb96f80c0539f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88dac2c17c765517c2163ab43bbe1038.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/8801ece7-68dd-4912-9239-ba7507ee4d23.png?resizew=173)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(3)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
您最近一年使用:0次
2023-11-30更新
|
430次组卷
|
2卷引用:天津市和平区天津一中2024届高三上学期第三次月考数学试题
名校
解题方法
7 . 如图所示,多面体是由底面为
的直四棱柱被截面
所截而得到的,该直四棱柱的底面为菱形,其中
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/fa37abea-6c0c-4b50-ba26-933196123560.png?resizew=119)
(1)证明四边形
是平行四边形;并求
的长;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ada1cd3d6b1b2b559468778412ea0e5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/fa37abea-6c0c-4b50-ba26-933196123560.png?resizew=119)
(1)证明四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
您最近一年使用:0次
解题方法
8 . 在底面为菱形的直四棱柱
中,
为
中点,点
满足
,
,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f7ac5bd7eb2e7f5c1d3e79bc75a542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de70098ff89ac12b26af3778683d7a25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91b79ee131c944abc042558ea90adb7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/232184e1-4535-4f3a-b164-3b128f519759.png?resizew=200)
A.当![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() ![]() | D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知正方体的棱长为
,点
满足
,其中
,
为棱
的中点,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f9dd1458186cfbdf0701ba835572721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82191560610f148b24fdb3470f99407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
A.若![]() ![]() ![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-11-20更新
|
511次组卷
|
5卷引用:重庆市荣昌区荣昌中学校2023-2024学年高二上学期12月月考数学试题
名校
解题方法
10 . 如图,在正四棱柱
中,
,点P为线段
上一动点,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/4a10f512-359a-42b9-ae33-d2fc218c5302.png?resizew=135)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f21c7c194c5bc2986a21fd441c81495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/4a10f512-359a-42b9-ae33-d2fc218c5302.png?resizew=135)
A.直线![]() ![]() |
B.三棱锥![]() ![]() |
C.三棱锥![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
2023-11-16更新
|
563次组卷
|
4卷引用:广东省佛山市顺德区华侨中学2023-2024学年高二上学期12月月考数学试题
广东省佛山市顺德区华侨中学2023-2024学年高二上学期12月月考数学试题湖南省长沙市雅礼中学2023-2024学年高二上学期期中数学试题湖南省长沙市雨花区雅礼教育集团2023-2024学年高二上学期期中数学试题(已下线)模块三 专题3 小题满分挑战练(2) 期末终极研习室(高二人教A版)