1 . 若
构成空间的一个基底,则下列向量不共面的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8d2051594370095e72e173fd95888a.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
2021-11-06更新
|
401次组卷
|
3卷引用:陕西省渭南市韩城市2021-2022学年高二上学期期末理科数学试题
名校
2 . 在棱长均为
的四面体
中,点
为
的中点,点
为
的中点.若点
,
是平面
内的两动点,且
,
,则
的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.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/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6338e895e0c3a9ee7aaea22b421327a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e5c289b8aabdbfba95c7fd1e1842f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5587ffb7532cdb08bb61390066fdfc6b.png)
A.![]() | B.3 |
C.![]() | D.2 |
您最近一年使用:0次
2019-01-14更新
|
770次组卷
|
2卷引用:陕西省咸阳市武功县普集高级中学2022-2023学年高三上学期11月阶段性检测理科重点班数学试题
名校
3 . 已知向量
,
,若
,则实数
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef29aa86cb69a32bc565def5cab10cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b8c38073aa8c9d31b7eebc8c96a8ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-10-23更新
|
597次组卷
|
4卷引用:陕西省西北农林科技大学附属中学2021-2022学年高二上学期期末理科数学试题
4 . 设平面
的法向量为
,平面
的法向量为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb9a1d7764d138e3110e97551bcd5be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe72da0fa0d2f59ba1d2e19ede59b19d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551a4fac87f259dce132fff1726efaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
2019-11-14更新
|
746次组卷
|
7卷引用:陕西省铜川阳光中学2021-2022学年高二上学期期末理科数学试题
陕西省铜川阳光中学2021-2022学年高二上学期期末理科数学试题(已下线)专题1.4 空间向量的应用(4类必考点)宁夏银川市兴庆区长庆高级中学2019-2020学年高二上学期期中数学(理)试卷(已下线)2019年12月16日《每日一题》选修2-1理数-利用方向向量、法向量判断空间线面的位置关系(已下线)专题3.2 空间向量的应用-2020-2021学年高二数学课时同步练(苏教版选修2-1)(已下线)第十二课时 课后 空间向量章末复习北师大版(2019) 选修第一册 数学奇书 学业评价(二十八) 用向量方法研究立体几何中的位置关系
名校
解题方法
5 . 设
,向量
,
,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35139e8e123f3cb18f735ca8bec8f3a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e4c3df9b90e393fc6e0d47c0307d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631f4a8cadc26be4f99fb133e3452ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1c5bcaa260128e281a12f6ef6aacbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06b851cdd98d9bfccefe30f1a6eef360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
A.2 | B.1 | C.![]() | D.4 |
您最近一年使用:0次
2022-11-18更新
|
228次组卷
|
5卷引用:陕西省西安市高新第七高级中学(长安区第七中学)2022-2023学年高二上学期第二次月考数学试题
解题方法
6 . 如图,在四棱锥
中,
平面
,底面
为矩形,
,
,
为
的中点,
.请用空间向量知识解答下列问题:
![](https://img.xkw.com/dksih/QBM/2022/2/18/2919033044123648/2935400809611264/STEM/dc973872-9b6a-469a-b075-969907672a2f.png?resizew=139)
(1)求线段
的长;
(2)若
为线段
上一点,且
,求平面
与平面
夹角的余弦值.
![](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/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c527cc1c57a471c1f8442aa9dcb84d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4486d52b6e410fd7b60428121d96cef.png)
![](https://img.xkw.com/dksih/QBM/2022/2/18/2919033044123648/2935400809611264/STEM/dc973872-9b6a-469a-b075-969907672a2f.png?resizew=139)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fa0a286a55692e4263a5993b01580b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df0e2a0b9e504abfc28536d9854133d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564376a88fa74090de9f7694226a6184.png)
您最近一年使用:0次
2022-03-13更新
|
240次组卷
|
2卷引用:陕西省渭南市临渭区2021-2022学年高二上学期期末理科数学试题
名校
解题方法
7 . 如图,在三棱柱
中,侧棱长为4,平面
平面
,
是边长为4的等边三角形,且
,已知
是
的中点.以
,
,
所在直线分别为
,
,
轴建立空间直角坐标系.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/e2d654be-e494-4dc6-b6c1-da4e104cfa36.png?resizew=203)
(1)求向量
,
的坐标;
(2)求异面直线
与
所成角的大小.
![](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/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719de37e2bbf07a97de22f3353fabac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec275f823ae17afdba53301fcbd2aa43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/e2d654be-e494-4dc6-b6c1-da4e104cfa36.png?resizew=203)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782f0ac19aa5feeacebaca66a7026206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e650df8a77daeaa4b8eb3476c35317f4.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7d857811cbd619f868d951aa7a0ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
您最近一年使用:0次
2021-10-20更新
|
356次组卷
|
3卷引用:陕西省咸阳市武功县普集高级中学2022-2023学年高三上学期11月阶段性检测理科重点班数学试题
8 . 已知向量
,则向量
在向量
上的投影为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09958ef99972d6e11eb1f245036eface.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 如图所示为一个半圆柱,
为其轴截面,E为半圆弧
上的任意点(异于C、D两点).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/47e5e99a-3f9d-496f-a7d1-ea1e052926a2.png?resizew=152)
(1)求证:不论E在何处总有
;
(2)已知
求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/47e5e99a-3f9d-496f-a7d1-ea1e052926a2.png?resizew=152)
(1)求证:不论E在何处总有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5322a78b02c2bc387ea7dce3e9461974.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9a8eb568ba5b80c411a9b982c73a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
您最近一年使用:0次
名校
10 . 在正方体
中,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616b68268f87c8b59f5156cc12b7c914.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-13更新
|
213次组卷
|
6卷引用:陕西省榆林市府谷县府谷中学2022-2023学年高二上学期期中理科数学试题
陕西省榆林市府谷县府谷中学2022-2023学年高二上学期期中理科数学试题河南省洛阳市强基联盟大联考2022-2023学年高二上学期10月数学试题青海省西宁市大通回族土族自治县2022-2023学年高二上学期期末考试数学(理)试题内蒙古乌兰浩特市第四中学2022-2023学年高二下学期第一次月考数学(理)试题(已下线)专题01空间向量及其运算(4个知识点8种题型3个易错点)(3)(已下线)专题08 空间向量的运算及其应用6种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)