如图,在四棱锥
中,四边形
是边长为2的正方形,
与
交于点
,
平面
,且
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/fb5737e6-2500-4f3b-ad43-dd9950d3d03b.png?resizew=159)
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/0b80ee363635d73f601654339028daec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/fb5737e6-2500-4f3b-ad43-dd9950d3d03b.png?resizew=159)
A.![]() ![]() | B.四棱锥![]() ![]() |
C.四棱锥![]() | D.直线![]() ![]() ![]() |
23-24高二上·云南·期中 查看更多[3]
云南省茚旺高中、蒙自一中2023-2024学年高二上学期期中联考诊断性测试数学试题(已下线)模块一 专题1 立体几何(2)高三期末广东省茂名市化州市2023-2024学年高二上学期期末教学质量监测数学试题
更新时间:2023-11-21 19:58:16
|
相似题推荐
多选题
|
适中
(0.65)
名校
【推荐1】在长方体
中,
,
分别为线段
上的动点,
分别为线段
的中点,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/f3a32aa0247b4099d3c3a19d0bd03d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1da2078b8e4cb44d7147917152d601e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42060342fda9080f28e53c7ac77c5ab3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
A.当E点运动时,总有![]() ![]() |
B.当![]() ![]() ![]() |
C.三棱锥![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
【推荐2】在棱长为6的正方体
中,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79b194152945f719c21bbe5d525338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b0fff45330e6dc5c3f95600bbbb167.png)
A.平面![]() |
B.四面体![]() ![]() |
C.从点![]() ![]() ![]() |
D.若直线![]() ![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
解题方法
【推荐1】长方体
中,
,
为棱
的中点,平面
上一动点
满足
,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/5f7ad41c55fab640a159a08a12c6b03c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dc674d6f8169bd48cac0229c18478c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3406c6943e731e36acfd7bd314b690.png)
A.长方体外接球的表面积为![]() | B.![]() |
C.![]() ![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐2】在三棱锥
中,
,
均是以
为斜边的等腰直角三角形,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08c39e44b50d0cac4a10106f8d09339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7853371cf04731c81a7a5dfd7a53b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8300bca7b13f8487061c5d6d2e82802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d42e97eee705d164e6ac6de9ecd6d1f.png)
A.![]() |
B.![]() |
C.该三棱锥的外接球的表面积为![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
【推荐1】如图,已知正方体
的棱长为2,
,
,
分别为
,
,
的中点,以下说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/03a04d83-d177-4291-8533-4647fcc3f042.png?resizew=160)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/03a04d83-d177-4291-8533-4647fcc3f042.png?resizew=160)
A.三棱锥![]() |
B.![]() ![]() |
C.异面直线EF与AG所成的角的余弦值为![]() |
D.过点![]() ![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐2】如图,将一副三角板拼成平面四边形,将等腰直角
沿
向上翻折,得三棱锥
,设
,点
,
分别为棱
,
的中点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/acd4f004-c480-4b3c-8c48-4e0bb6af12ca.png?resizew=298)
A.在翻折过程中,存在某个位置使得![]() |
B.若![]() ![]() ![]() ![]() |
C.当三棱锥![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐1】如图,在正方体
中,
为
的中点( )
![](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/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/20/8c8f7e77-7ebf-455e-abed-af395e505003.png?resizew=153)
A.![]() ![]() ![]() |
B.![]() |
C.若正方体的棱长为1,则点![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
【推荐2】已知在正三棱锥
中,
,
,点
为
的中点,下面结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c3a4f72b84ebadd28b90711435adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A.![]() | B.平面![]() ![]() |
C.![]() ![]() ![]() | D.三棱锥![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
【推荐3】如图,在正三棱柱
中,
为棱
的中点,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f2185273bf04c11118c7954f7ec822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864e974230453f728a60991b5d384a43.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/62ca4fdc-60b5-4f39-b6f1-40774173899b.png?resizew=146)
A.![]() |
B.直线![]() ![]() |
C.线段![]() |
D.直线![]() ![]() |
您最近一年使用:0次