名校
1 . 在边长为2的正方体
中,E,F,G是
的中点,那么过点E,F,G的截面图形为__________ (在“三角形、四边形、五边形、六边形”中选择一个);截面图形的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cf8790068c54d8123cd2dac26506b6.png)
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名校
2 . 如图所示,在长方体
中,
,
.一平面截该长方体,所得截面为OPQRST,其中O,P分别为AD,CD的中点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a56f5a416cac043efa6d643f297b06.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e0d8f378c1625b6039dfacb0013c69.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24793094279349667002e7cc87682970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a56f5a416cac043efa6d643f297b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e0d8f378c1625b6039dfacb0013c69.png)
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3 . 在长方体
中,
,点
为侧面
内一动点,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
平面
,则
的最小值为__________ ,此时点
到直线
的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febe773ba9273dc5668bdb3fbe039695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c407eeb34204a1df967b8fbe481cb04d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
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4 . 如图,在各棱长均相等的正三棱柱
中,给定依次排列的6个相互平行的平面
,使得
,且每相邻的两个平面间的距离都为1.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
__________ ,该正三棱柱的体积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307074171069f32b5c458985cd4d9bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13811d01a0338d28753385a008f51a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72873e48255e32f560537d53798df1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fce779168f431dde197ae40cacf04fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2024-04-08更新
|
349次组卷
|
2卷引用:安徽省池州市普通高中2024届高三教学质量统一监测数学试题
解题方法
5 . 如图,在正方体
中,
是棱
的中点,记平面
与平面
的交线为
,平面
与平面
的交线为
,若直线
分别与
所成的角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5e3a0c883f301f42db9434be2cfd21.png)
__________ .
![](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/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2331bccb6ebf5b9fd639df994f575a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2331bccb6ebf5b9fd639df994f575a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6426a6960d726b7378b7ceeb2f77b148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3155cda6a054b2022df932f4e3364362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ec7c99202b44d5d65239f65f155b6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5e3a0c883f301f42db9434be2cfd21.png)
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名校
6 . 青铜豆最早见于商代晚期,盛行于春秋战国时期,它不仅可以作为盛放食物的铜器.还是一件十分重要的礼器,图①为河南出土的战国青铜器——方豆,豆盘以上是长方体容器和正四棱台的斗形盖.图②是与主体结构相似的几何体,其中
,
,K为BC上一点,且
,Z为PQ上一点.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b156f4873b51115a393a86367cbeaed.png)
______ ;几何体
的所有顶点都在同一个球面上,则该球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6f3c8227975770a03f1c101bed88ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20220cb801b5adce6056e6c5997cb789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee793db53f6973deccc6abe6c30fa7c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b156f4873b51115a393a86367cbeaed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1403b586ce370e051c070810face63f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/21/b47304f3-82ee-4214-9df2-c6ac0c5028d4.png?resizew=255)
您最近一年使用:0次
名校
7 . 如图,在棱长为2的正方体
中,M,N分别是线段
,
的中点,
是线段
上的动点,过M,N,E的平面
截正方体
所得的截面面积记为
.当
为线段
的中点时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
______ ;当
在线段
(包括端点)上运动时,
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/09e0b5e9-06dc-4ed3-9ff9-c44fbed5e242.png?resizew=151)
您最近一年使用:0次
2022-12-25更新
|
733次组卷
|
3卷引用:北京市八一学校2023届高三上学期12月月考数学试题
解题方法
8 . 如图,在边长为2的正方体
中,E,F,O分别为正方形
,
,ABCD的中心,点P在正方形ABCD内(含边界)运动,若直线
与平面DEF无交点,则点P所形成的轨迹___ 点O(填“经过”或“不经过”);该轨迹长度为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655c413f509068d30b165f9d92bdba0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/28/cc2b6ba7-b76d-4874-9f55-349f8d5a03ff.png?resizew=212)
您最近一年使用:0次
解题方法
9 . 已知正方体
的棱长为1,P是线段
上一点,则三棱锥
的体积为________ ,
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870e337da9544c85a5df7de34abcb686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86309337101620bdb1aa3ad39aeece5c.png)
您最近一年使用:0次
解题方法
10 . 如图,在棱长为2的正方体
中,点E,F,G分别是棱BC,
,
的中点,点P为底面
上任意一点.若P与
重合,则三棱锥E-PFG的体积是____ ;若直线BP与平面EFG无公共点,则BP的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/20/b675836d-e38d-4bc1-bf33-de54fa375965.png?resizew=172)
您最近一年使用:0次
2022-04-20更新
|
1007次组卷
|
3卷引用:北京市通州区2022届高三高考一模数学试题