1 . 如图,三棱柱ABC–A1B1C1中,侧面AA1C1C⊥侧面ABB1A1,AC=AA1=
AB,∠AA1C1=60°,AB⊥AA1,H为棱CC1的中点,D为BB1的中点.
(1)求证:A1D⊥平面AB1H;
(2)若AB=
,求三棱柱ABC–A1B1C1的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/8/f9b24a08-9ac1-4a51-a231-65dd968043fd.png?resizew=160)
(1)求证:A1D⊥平面AB1H;
(2)若AB=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
您最近一年使用:0次
2018-11-22更新
|
1481次组卷
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6卷引用:【全国百强校】甘肃省西北师范大学附属中学2018届高三冲刺诊断考试数学(文)试题
【全国百强校】甘肃省西北师范大学附属中学2018届高三冲刺诊断考试数学(文)试题广东省湛江市遂溪县第一中学2017--2018学年高二第二学期第三次月考文科数学试题(已下线)2018年11月20日 《每日一题》人教必修2-平面与平面垂直的性质(已下线)卷04-备战2020年新高考数学自学检测黄金10卷-《2020年新高考政策解读与配套资源》(已下线)专题06 立体几何初步(难点)-2020-2021学年高一数学下学期期末专项复习(北师大版2019必修第二册)陕西省西安市大联考2022-2023学年高一下学期期中数学试题
名校
2 . 下列命题中:①若“
”是“
”的充要条件;
②若“
,
”,则实数
的取值范围是
;
③已知平面
、
、
,直线
、
,若
,
,
,
,则
;
④函数
的所有零点存在区间是
.
其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552d996f4748a1c0d22149f9ead89f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8073266cfa99b04190473d16b615a8.png)
②若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad0292b75ee08b9659465e4aa827ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81af6d826817141c98752376222d4b6.png)
③已知平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35a45cfcdfbda18b089ce6698ccdbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a3e20505bc320fbf5d1a5f167b7dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d434f731612c825cbf00544d0da2a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c33ac3d71ac1b6945f7fc282547e5c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969d88a8e03b37be66efa32b5d8e0802.png)
其中正确的个数是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-04更新
|
874次组卷
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4卷引用:2019届四川省成都市石室中学高三下学期三诊模拟数学(理)试题
3 . 如图,点
为正方形边
上异于点
的动点,将
沿
翻折成
,使得平面
平面
,则下列说法中正确的是__________ .(填序号)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/0823f2af-69fc-4a7b-a6e3-e8c5a059e02b.png?resizew=295)
(1)在平面
内存在直线与
平行;
(2)在平面
内存在直线与
垂直
(3)存在点
使得直线
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(4)平面
内存在直线与平面
平行.
(5)存在点
使得直线
平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1e88b36ff71fe69c07bade0f95f1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103edb9858de46f254aae980be1978f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392469b357b12b998528499929366c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0760712e3e2ea02b755b751e760d0c55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/0823f2af-69fc-4a7b-a6e3-e8c5a059e02b.png?resizew=295)
(1)在平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03203dd5ac79dd8c6707e4340773359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)在平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03203dd5ac79dd8c6707e4340773359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(3)存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(4)平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c745df4f226027778d5fe45b6501b822.png)
(5)存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03203dd5ac79dd8c6707e4340773359.png)
您最近一年使用:0次
2020-02-28更新
|
835次组卷
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7卷引用:河北省石家庄市第二中学2017-2018学年高一下学期期末数学试题
河北省石家庄市第二中学2017-2018学年高一下学期期末数学试题江西省宜春市上高二中 2020-2021学年高二(上)第三次月考数学(理科)试题江西省上高二中2020-2021学年高二上学期第三次月考数学(理)试题江西省万年中学2020~2021高一上学期第三次月考数学试题(已下线)第15课时 课后 平面与平面垂直的性质(已下线)专题8.18 立体几何初步全章综合测试卷(提高篇)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)(已下线)10.4 平面与平面间的位置关系(第1课时)(七大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020必修第三册)
解题方法
4 . 如图,在四棱锥
中,底面
为菱形,
为正三角形,平面
平面
,
、
分别是
、
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/7b817c22-a186-46ab-91f6-33ec6d017c8d.png?resizew=184)
(1)证明:
平面
;
(2)若
是
棱上一点,三棱锥
与三棱锥
的体积相等,求
的值.
![](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/c6e2903ff33266528a7902ad51cf8d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/22/7b817c22-a186-46ab-91f6-33ec6d017c8d.png?resizew=184)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dadbb4dbac32ec4a98988b6911167b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e682db81a82443f63a567eb29f4aa7bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd1bc6147d69777b26a35d48522f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59a8e73d86982a4882510a179b0efb0.png)
您最近一年使用:0次
2020-03-25更新
|
865次组卷
|
2卷引用:2019届四川省成都市高三第三次诊断性检测数学(文)试题
5 . 如图,在四棱锥P-ABCD中,平面PAB⊥平面ABCD,AD//BC,PA⊥AB,CD⊥AD,BC=CD=
AD,E为AD的中点.
![](https://img.xkw.com/dksih/QBM/2020/8/12/2526429558439936/2527001149677568/STEM/dbb641263e204aa1a1b026ec6896c8ed.png?resizew=253)
(1)求证:PA⊥CD.
(2)求证:平面PBD⊥平面PAB.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://img.xkw.com/dksih/QBM/2020/8/12/2526429558439936/2527001149677568/STEM/dbb641263e204aa1a1b026ec6896c8ed.png?resizew=253)
(1)求证:PA⊥CD.
(2)求证:平面PBD⊥平面PAB.
您最近一年使用:0次
解题方法
6 . 如图,在三棱锥
中,点
、
分别是棱
、
的中点,
,
,平面
平面
. 求证:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/d8f2ff37-4e98-4c0b-8c60-303e1a3399db.png?resizew=179)
(1)
平面
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13d28cb7181257cf732af4b615fc47d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/d8f2ff37-4e98-4c0b-8c60-303e1a3399db.png?resizew=179)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35333abd7f02d663d15251bc5cbbf921.png)
您最近一年使用:0次
名校
7 . 如图,四面体
中,
,平面
平面
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e7d551cca653e2d638c8cab4c2fda8.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ccb5510575136924195d6cfe292e0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdf27c2e1c0e6ab18c133d6fc065956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e7d551cca653e2d638c8cab4c2fda8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/ac57bd38-6f01-4f6d-b71a-a4db7fa42ca9.png?resizew=126)
您最近一年使用:0次
2019-10-28更新
|
958次组卷
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8卷引用:人教B版 必修2 必杀技 第一章 1.2.3 空间中的垂直关系课时2 平面与平面垂直
人教B版 必修2 必杀技 第一章 1.2.3 空间中的垂直关系课时2 平面与平面垂直人教A版(2019) 必修第二册 必杀技 第8章 8.6.3 平面与平面垂直(已下线)江西省南昌市进贤二中2019-2020学年高二下学期数学期中考试数学试题(已下线)专题13 空间直线、平面的垂直(核心素养练习)-【新教材精创】2019-2020高一数学新教材知识讲学(人教A版必修第二册)-《高中新教材知识讲学》(已下线)【新教材精创】11.4.2平面与平面垂直(第2课时)练习(1)(已下线)【新教材精创】11.4.2平面与平面垂直(2)练习(2)人教A版(2019) 必修第二册 突围者 第八章 第六节 课时3 平面与平面垂直江苏省淮安市马坝高级中学2021-2022学年高一下学期第二次学情调研数学试题
8 . 如图,四棱锥中
,底面
为直角梯形,
,
,平面
底面
,
,
.
(Ⅰ)证明:平面
平面
;
(Ⅱ)若
是面积为
的等边三角形,求四棱锥
的体积.
![](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/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4795ee1f96b430529934e2231b38885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e839ac941e8bf536ff35a12e56c7a400.png)
(Ⅰ)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53502463cc76201000e02df314e58769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/72084eac-f07a-4f6a-80dc-0ff97bffdfa6.png?resizew=200)
您最近一年使用:0次
2019-02-08更新
|
1022次组卷
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4卷引用:【全国百强校】四川省棠湖中学2018-2019学年高二上学期期末考试数学(文)试题
9 . 设
和
是两个不同的平面,m,n是两条不同的直线,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2020-09-08更新
|
801次组卷
|
3卷引用:海南省2020届高三年级第五次模拟考试数学试题
名校
解题方法
10 . 如图所示的几何体中,四边形
是矩形,平面
平面
,已知
,
,且当规定正视方向垂直平面
时,该几何体的侧视图的面积为
.若
,
分别是线段
,
上的动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e7cb48d07bacee963e4ec6c8cc2ef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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5卷引用:浙江省绍兴市鲁迅中学2019-2020学年高二上学期期中数学试题
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