1 . 如图,点P是棱长为2的正方体
的表面上的一个动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.当点P在平面![]() ![]() |
B.当点P在线段AC上运动时,![]() ![]() ![]() |
C.使直线AP与平面ABCD所成角为![]() ![]() |
D.若F是![]() ![]() ![]() ![]() |
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2024·全国·模拟预测
名校
2 . 已知平面
平面
,且均与球
相交,得截面圆
与截面圆
为线段
的中点,且
,线段
与
分别为圆
与圆
的直径,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414844edd458857bdfc80bffa61cbf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32987e12782f888f4a6db40c5c3d13ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2892d380f9370caecf6ac7370b3a0737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
3 . 如图,在正方体
中,
分别为
的中点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/334bd1a151c0a42ca813cb6b839ce45c.png)
A.直线![]() ![]() ![]() |
B.直线![]() ![]() |
C.平面![]() ![]() |
D.四面体![]() ![]() ![]() |
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4 . 如图,已知正方体
的棱长为
,点
为
的中点,点
为正方形
内
包含边界
的动点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/12cbd7e7-e585-4129-9770-c01157b86069.png?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/12cbd7e7-e585-4129-9770-c01157b86069.png?resizew=164)
A.满足![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.满足![]() ![]() ![]() |
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2024-03-29更新
|
978次组卷
|
4卷引用:湖南省岳阳市2024届高三下学期教学质量监测(二)数学试题
湖南省岳阳市2024届高三下学期教学质量监测(二)数学试题山东省菏泽第一中学南京路校区2024届高三下学期3月月考数学试题(已下线)专题3 立体几何中的范围、最值问题【讲】(已下线)专题4 立体几何中的动态问题【练】
5 . 在正四棱柱
中,
是棱
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcea75041234ccdfb3baec6a206ede5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
A.直线![]() ![]() ![]() | B.直线![]() ![]() ![]() |
C.平面![]() ![]() | D.直线![]() ![]() ![]() |
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解题方法
6 . 如图所示,在四棱台
中,底面
是菱形,
平面
.
;
(2)若
,棱
上是否存在一点
,使得平面
与平面
的夹角余弦值为
.若存在,求线段
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](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/a382ccd078374f1efebb26a43599e596.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0195cda4c2a5370a9ad01b879e2da31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/562e708c422060142ee99eda9baca235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a02de156f12f2623da67dda5ceaeb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e23ab2a5db0d58b522f1e2699bfe60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
您最近一年使用:0次
名校
7 . 在棱长为2的正方体
中,
分别是侧棱
的中点,
是侧面
(含边界)内一点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebf67d880172b27fefacc3c5b808eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
A.若点![]() ![]() ![]() ![]() ![]() |
B.若点![]() ![]() ![]() |
C.若点![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 如图,在两条异面直线
上分别取点
和点
,使
,且
.已知
,则异面直线
所成的角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a64340f774b250e6d42d9dc1b127418.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8348c89c6f13053325f4e1c62e29a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8df14d11c6f036b3b248544b731ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd72669c08e98a92cdfb9bc167ac56bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efaf8619d8656a3d14f25e437c4dbcf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-16更新
|
213次组卷
|
3卷引用:湖南省长沙市雅礼中学2024届高三下学期模拟(三)数学试题
名校
解题方法
9 . 已知底面边长为2的正四棱柱
的体积为
,则直线
与
所成角的余弦为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-04更新
|
1035次组卷
|
4卷引用:湖南省邵阳市第二中学2024届高三下学期5月模拟考试数学试题
名校
解题方法
10 . 已知圆台的高为2,上底面圆
的半径为2,下底面圆
的半径为4,
,
两点分别在圆
、圆
上,若向量
与向量
的夹角为60°,则直线
与直线
所成角的大小为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4f4d4f0fa118f27e890c7940559b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba8f77960739ffbbdec86a9b6685df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
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2024-01-24更新
|
435次组卷
|
6卷引用:湖南省衡阳市第八中学2024届高三上学期第一次模拟测试数学试题
湖南省衡阳市第八中学2024届高三上学期第一次模拟测试数学试题河南省信阳市新县高级中学2024届高三下学期适应性考试(八)数学试题江苏省苏州市2023-2024学年高二上学期期末学业质量阳光指标调研数学试卷(已下线)第3章 空间向量及其应用(知识归纳+题型突破)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)(已下线)专题06 立体几何 第二讲 立体几何中的计算问题(分层练)(已下线)模块一 专题6 《空间向量应用》(苏教版)