名校
1 .
是⊙O的直径,点
是⊙O上的动点(点
不与
重合),过动点
的直线
垂直于⊙O所在的平面,
分别是
的中点,则下列结论中正确的是________ (填写正确结论的序号).
(1)
;(2)
;(3)
;(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a392d05d3cfcbb438569b1ea9980dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41cea8fb588b2c654e32c9ec0e3a191.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e984dfefbddd93b0d196c18376ec7213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01be64cb223ca0ac785a8740948188f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fbf56c2cf2688c1fba1b7b384bf6678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
您最近一年使用:0次
2017-12-03更新
|
390次组卷
|
2卷引用:人教A版高中数学必修二 2.3.3 直线与平面垂直的性质2
解题方法
2 . 如图,P是
所在平面外一点,
分别是
和
的中点,试过点
做平行于
的平面
,要求:
(1)画出平面
分别与平面
,平面
,平面
的交线;
(2)试对你的画法给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/29/b36b224b-7eb1-421b-8fdb-9c86e2f64363.png?resizew=140)
(1)画出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)试对你的画法给出证明.
您最近一年使用:0次
解题方法
3 . 如图,在正方体
中,
为棱
的中点,找出可以推导出
//平面
的那条直线,并在图中画出该直线.
![](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://staticzujuan.xkw.com/quesimg/Upload/formula/c597ff77c65c5add6f50294e3eee9536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/71964c6e-ef41-477c-96cd-948a68ec8354.png?resizew=138)
您最近一年使用:0次
4 . 如图,在正方体
中,
、
、
分别是
、
、
的中点,过点
画出一个平面与平面
平行.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b25f3ea33cc08b1e2a0d9c3a9dccaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/980137c8-df1c-4f94-b925-479378eca7be.png?resizew=204)
您最近一年使用:0次
5 . 如图,从平面
外一点
,引射线
、
、
,在它们上面分别取点
、
、
,使得
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/84add72e-36fd-44dd-9ea4-470ff8224181.png?resizew=147)
(1)画出平面
并判断两个平面的位置关系;
(2)若点
到平面
的距离为2,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c42149443e5eadab07087780ec7bec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/84add72e-36fd-44dd-9ea4-470ff8224181.png?resizew=147)
(1)画出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
您最近一年使用:0次
6 . 如图所示是一个长方体截去一个角得到的几何体的直观图及正视图和侧视图(单位:cm).
(2)设
为
上的一点,
为
中点,且
,证明:平面
平面
.
(2)设
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655cc150ddc9deba2254780984d0024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a96d1e67d5e74d6122c8dfa63f183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4478ffb03281816b06c1332738ec9c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193b5b41994c2a4dfa5bb0bc984061cc.png)
您最近一年使用:0次
解题方法
7 . 如图,在棱长为2的正方体
中,
,
,
,
分别为
,
,
,
的中点,点
为线段
上的动点,且
.
![](https://img.xkw.com/dksih/QBM/2021/7/8/2759898787160064/2778264566128640/STEM/5f2d6e941fa345d5a6ed8508d4498d6e.png?resizew=155)
(1)是否存在
使得
平面
,若存在,求出
的值并给出证明过程;若不存在,请说明理由;
(2)画出平面
截该正方体所得的截面,并求出此截面的面积.
![](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/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf7d52ab2f7e07f0a451a35ac23e22a.png)
![](https://img.xkw.com/dksih/QBM/2021/7/8/2759898787160064/2778264566128640/STEM/5f2d6e941fa345d5a6ed8508d4498d6e.png?resizew=155)
(1)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5311bb2a8564c3ff0d683d443633f746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)画出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
您最近一年使用:0次
2021-08-03更新
|
817次组卷
|
5卷引用:福建省南平市2020-2021学年高一下学期期末数学试题
福建省南平市2020-2021学年高一下学期期末数学试题(已下线)专题8.4 直线、平面平行的判定及性质(练)- 2022年高考数学一轮复习讲练测(新教材新高考)(已下线)8.5 空间直线、平面的平行(精练)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)8.5.3平面与平面平行(练案)-2021-2022学年高一数学同步备课 (人教A版2019 必修第二册)福建省安溪一中、养正中学、惠安一中、泉州实验中学2021-2022学年高一下学期期中数学试题
8 . 如图,a,b是异面直线,画出平面
,使
,且
,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d2a947e3fdc214d40a7d3f54679a73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b330d69a949d9b55f4b6f18f47e0a37.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/e7fe7baa-9c1f-4638-b311-4da6b7822486.png?resizew=121)
您最近一年使用:0次
2020-02-03更新
|
614次组卷
|
3卷引用:人教A版(2019) 必修第二册 逆袭之路 第八章 8.5 空间直线、平面的平行 小结
9 . 如图,长方体ABCD﹣A1B1C1D1中,AB=BC=4,BB1=2
,点E、F、M分别为C1D1,A1D1,B1C1的中点,过点M的平面α与平面DEF平行,且与长方体的面相交,交线围成一个几何图形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/506ed026-e35c-4d91-a7aa-78ded378360d.png?resizew=382)
(1)在图1中,画出这个几何图形,并求这个几何图形的面积(不必说明画法与理由)
(2)在图2中,求证:D1B⊥平面DEF.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/506ed026-e35c-4d91-a7aa-78ded378360d.png?resizew=382)
(1)在图1中,画出这个几何图形,并求这个几何图形的面积(不必说明画法与理由)
(2)在图2中,求证:D1B⊥平面DEF.
您最近一年使用:0次
2019-09-18更新
|
717次组卷
|
7卷引用:【市级联考】广东省揭阳市2019届高三高考二模文科数学试题
【市级联考】广东省揭阳市2019届高三高考二模文科数学试题【全国百强校】宁夏石嘴山市第三中学2019届高三四模考试数学(文)试题广东省深圳市宝安区2018-2019学年高二下学期期末考试数学(文)试题2019届北京市中国人民人大附属中学高三(5月)模拟数学(文)试题四川省宜宾市叙州区第二中学校2019-2020学年高二下学期第一次在线月考数学(文)试题(已下线)【新教材精创】11.4.1直线与平面垂直(第1课时)练习(1)(已下线)第十一章 立体几何初步 11.4 空间中的垂直关系 11.4.1 直线与平面垂直