解题方法
1 . 如图,在四棱锥
中,
平面
,底面
为正方形,
,则直线
与平面
所成角的正弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829f9180ddd9aa1a0ee0dc520f4e0b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 若直线
的方向向量与平面
的法向量的夹角等于
,则直线
与平面
的所成的角等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef5188670b78eecf710cdf8d080462f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.以上均错 |
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名校
解题方法
3 . 如图,直四棱柱
的底面为菱形,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/bb5988bd-e1a3-417a-98a8-0df281d01cbc.png?resizew=133)
(1)证明:平面
平面
;
(2)求底面
与平面
所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7e8dd831f4edc711c0f7d5f078f625.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/bb5988bd-e1a3-417a-98a8-0df281d01cbc.png?resizew=133)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a0c0eede7a2812304abae4e0e91738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bf9ef324f1289e205e29fed105c38e.png)
(2)求底面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2f7554a52815bfa0f4d75221ba7397.png)
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2024-01-25更新
|
101次组卷
|
2卷引用:内蒙古呼伦贝尔市海拉尔第二中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
4 . 阅读材料:空间直角坐标系
中,过点
且一个法向量为
的平面
的方程为
,阅读上面材料,解决下面问题:已知平面
的方程为
,点
,则点
到平面
距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61bf6599a78d15de0cc866bef1d123fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7788a2147d7795e7ccc7e5d7fb361a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7d4c53506838c5a337a45e54cd6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb34a4e568d496131e293c9619ecca8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5777e7f43c543fc9013d774375fa80f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-25更新
|
342次组卷
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4卷引用:内蒙古呼伦贝尔市海拉尔第二中学2023-2024学年高二上学期期末考试数学试题
内蒙古呼伦贝尔市海拉尔第二中学2023-2024学年高二上学期期末考试数学试题广东省广州市培正中学2024届高三上学期第二次调研数学试题(已下线)第七章 应用空间向量解立体几何问题拓展 专题二 平面法向量求法及其应用 微点3 平面法向量求法及其应用综合训练【基础版】(已下线)第33题 空间距离解法笃定,向量方法建系第一(优质好题一题多解)
名校
解题方法
5 . 已知平面
的一个法向量为
,点
是平面
上的一点,则点
到平面
的距离为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656e12e7079be3aa6d31ed2d89cca775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c93a2eba1d970ee13e30f5bb25efa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39627ce8b3371dc9a6d50d25390c6155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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7日内更新
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10卷引用:内蒙古乌兰浩特市第四中学2023-2024学年高二上学期期中考试数学试题
内蒙古乌兰浩特市第四中学2023-2024学年高二上学期期中考试数学试题山西省朔州市平鲁区李林中学2022-2023学年高二上学期第一次月考数学试题湖南省株洲市第八中学2021-2022学年高二上学期期中数学试题湖南省天壹名校联盟2022-2023学年高二下学期入学摸底数学试题(已下线)北京市第五十五中学2023-2024学年高二上学期期末模拟数学试题贵州省都匀市民族中学2023-2024学年高二上学期期中考试数学试题青海省格尔木市第七中学2023-2024学年高二下学期期末考试数学试题青海省海东市第一中学2023-2024学年高二上学期第一次月考数学试题甘肃省武威市2023-2024学年高二下学期6月月考数学试题西藏山南市普通高中2023-2024学年高二上学期期末考试数学试题
解题方法
6 . 已知正方体
,且棱长为1,下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
A.直线![]() ![]() ![]() |
B.直线![]() ![]() |
C.点![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
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7 . 如图,在四棱锥
中,底面
是矩形,
平面
,
,M是
的中点,点Q在
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/0146799c-1418-4353-999c-893ceae60e94.png?resizew=134)
(1)证明:
平面
;
(2)求直线
与
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/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78346d9e5dceebcba8979784ee1720fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/875cd2860fb57cedf932aa0535d2e1da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/0146799c-1418-4353-999c-893ceae60e94.png?resizew=134)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c982eb645d77aa24c642fca6d72e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c745df4f226027778d5fe45b6501b822.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
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解题方法
8 . 古代城池中的“瓮城”,又叫“曲池”,是加装在城门前面或里面的又一层门,若敌人攻入瓮城中,可形成“瓮中捉鳖”之势.如下图的“曲池”是上、下底面均为半圆形的柱体,
平面
,
,
,
为
的中点,求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f80d7f802bf109e5f1dc5a1c5608382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a3d5d669ac76a2ffb07da81d949adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec353880a1e680a37ecce3b6fb4896f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/cd44b1f3-f587-45ed-bdb0-c6bc123ff239.png?resizew=428)
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解题方法
9 . 在正四棱柱
中,
,
为
的中点,
为
上的动点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/4f92601b-278a-4f52-a475-f8fdc18b4ee0.png?resizew=132)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/4f92601b-278a-4f52-a475-f8fdc18b4ee0.png?resizew=132)
A.三棱锥![]() ![]() |
B.直线![]() ![]() ![]() |
C.![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() |
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2023-12-16更新
|
389次组卷
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4卷引用:内蒙古部分名校2023-2024学年高二上学期期中联合考试数学试题
10 . 如图,
为圆锥的顶点,
是圆锥底面的圆心,
为底面直径,
,
是底面的内接正三角形,
为
上一点.
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/df465d41-3a2c-4b65-9250-c9df47de9f9b.png?resizew=148)
(1)证明:
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30e50e094cd2849e38859b36aad0b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b63d2504bd3ecce8c10560b142356f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e8472f8ceb1721ba449151e5aa2c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/df465d41-3a2c-4b65-9250-c9df47de9f9b.png?resizew=148)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
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