名校
解题方法
1 . 四棱台
中,
底面
,
是直线
上的两个动点,两个底面是正方形,
,
,
,
,则下列叙述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54638dd4ebf19815a1333d84e42f927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
A.侧棱![]() ![]() |
B.侧面![]() |
C.该棱台的全面积是![]() |
D.三棱锥![]() |
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名校
解题方法
2 . 在矩形
中,
,
,沿矩形对角线
将
折起形成四面体
.则在这个过程中,下列结论中正确的是()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.当![]() ![]() |
B.四面体![]() ![]() |
C.![]() ![]() ![]() |
D.四面体![]() |
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2024-05-01更新
|
514次组卷
|
3卷引用:吉林省长春市十一高中2023-2024学年高一下学期第二学程考试数学试题
吉林省长春市十一高中2023-2024学年高一下学期第二学程考试数学试题湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题(已下线)湖南省长沙市雅礼中学2023-2024学年高一下学期期中考试数学试题变式题11-15
解题方法
3 . 已知正方体
的棱长为1,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.若点![]() ![]() ![]() |
B.若该正方体的所有顶点都在同一个球面上,则该球体的表面积为![]() |
C.异面直线![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 在直三棱柱
中,
,
为
的中点,
为棱
的中点,则下列命题中是真命题的选项为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d89ba4036a5d18ec4abed44d7fd8e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
名校
5 . 如图,在矩形
中,
,
,
为
中点,现分别沿
、
将
、
翻折,使点
、
重合,记为点
,翻折后得到三棱锥
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/20/ed07bcfe-34e4-469e-a8c6-92fc1207b2d7.png?resizew=335)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1507da3daed983c2f355d4caebb66d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b0393ce62b24aa5f9b740d4cc6743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a3b90f9fb4eed1e6ed66f3fb65dc52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.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/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6830ebecddbd9759be626289c408e4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/20/ed07bcfe-34e4-469e-a8c6-92fc1207b2d7.png?resizew=335)
A.![]() |
B.三棱锥![]() ![]() |
C.直线![]() ![]() ![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
名校
6 . 如图,在正方体
中,点P为线段
上的一个动点(不包含端点),则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/18/9934b4d0-b8a7-4803-970f-e42f7ff8f0c6.png?resizew=165)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/18/9934b4d0-b8a7-4803-970f-e42f7ff8f0c6.png?resizew=165)
A.![]() |
B.直线PC与直线![]() |
C.存在点P使得PC与![]() |
D.存在点P使得PC与底面ABCD所成的角为60° |
您最近一年使用:0次
2023-04-16更新
|
1228次组卷
|
4卷引用:吉林省通化市梅河口市第五中学2023届高三第四次模拟考试数学试题
吉林省通化市梅河口市第五中学2023届高三第四次模拟考试数学试题(已下线)模块四 专题6 立体几何(已下线)江苏省八市2023届高三二模数学试题变式题11-16广东省揭阳市普宁市华侨中学2022-2023学年高二下学期第三次月考(5月)数学试题
名校
7 . 已知四面体ABCD的棱长均为2,则( )
A.![]() | B.直线AB与平面BCD所成的角的正弦值为![]() |
C.点A到平面BCD的距离为![]() | D.两相邻侧面夹角的余弦值为![]() |
您最近一年使用:0次
2023-03-03更新
|
460次组卷
|
2卷引用:吉林省通化市梅河口市第五中学2023届高三下学期二模考试数学试题
23-24高三上·湖北·期末
名校
8 . 已知正方体
的棱长为3,P为正方体表面上的一个动点,Q为线段
上的动点,
.则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5b08735cbc2f25c62435c324049913.png)
A.当点P在侧面![]() ![]() ![]() |
B.当点P在侧面![]() ![]() ![]() ![]() |
C.当点P在侧面![]() ![]() |
D.点P的轨迹长度为![]() |
您最近一年使用:0次
9 . 如图,已知在长方体
中,
,
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/2bfda02c-7242-46c4-9ee6-58516584943b.png?resizew=198)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/2bfda02c-7242-46c4-9ee6-58516584943b.png?resizew=198)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
2023-01-15更新
|
197次组卷
|
3卷引用:吉林省延边朝鲜族自治州敦化市实验中学校2022-2023学年高二上学期期末数学试题
名校
解题方法
10 . 已知正方体
内切球的表面积为
,P是空间中任意一点:
①若点P在线段
上运动,则始终有
;
②若M是棱
中点,则直线AM与
是异面直线;
③若点P在线段
上运动,三棱锥
体积为定值;
④E为AD中点,过点
,且与平面
平行的正方体的截面面积为
.
以上命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
①若点P在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763be97fe1e030b5509bda231a546001.png)
②若M是棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
③若点P在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a80afb14665ad9cb3587c5364980e30.png)
④E为AD中点,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa42621cd6793e7f3673fdb49bc3123.png)
以上命题为真命题的是( )
A.① | B.② | C.③ | D.④ |
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