1 . 如图,四棱锥
的底面ABCD是平行四边形,平面
平面ABCD,
,
,
.O,E分别是AD,BC中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/17/fd633d6c-c487-46f8-9749-14f1945ad895.png?resizew=182)
(1)证明:
平面POE;
(2)
,
,求点E到平面PCD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b929269c53a44907dba8ee298a0a522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/17/fd633d6c-c487-46f8-9749-14f1945ad895.png?resizew=182)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8c91e4c85a9da7f54b2237d870a50d.png)
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2023-04-15更新
|
1560次组卷
|
7卷引用:第13章《立体几何初步》单元达标高分突破必刷卷(基础版)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)
名校
解题方法
2 . 如图,正三棱柱
中,
,点M为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/ee4108e3-2eff-418e-baf2-44a19afdfc3e.png?resizew=147)
(1)在棱
上是否存在点Q,使得AQ⊥平面
?若存在,求出
的值;若不存在,请说明理由:
(2)求点C到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ee9a532fa778770cc599d8592a9cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/ee4108e3-2eff-418e-baf2-44a19afdfc3e.png?resizew=147)
(1)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a0a3bb566b5d2404e4bb823abddfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66a0d871c1348c75d7758f9a73a4599.png)
(2)求点C到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a0a3bb566b5d2404e4bb823abddfa9.png)
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2023-04-13更新
|
1797次组卷
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6卷引用:第13章 立体几何初步(B卷·能力提升)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第二册)
第13章 立体几何初步(B卷·能力提升)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第二册)广东省梅州市2023届高三二模数学试题(已下线)专题04 空间向量与立体几何专题16空间向量与立体几何(解答题)(已下线)模块六 专题7易错题目重组卷(广东卷)山西省晋城市第一中学校2022-2023学年高一下学期第三次调研数学试题
3 . 如图,D为圆锥的顶点,O是圆锥底面的圆心,AE为底面直径,
.△
是底面的内接正三角形,P为DO上一点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/ffb74dfa-4c10-4607-b3a4-4e37c5cd3208.png?resizew=164)
(1)证明:平面
平面PBC;
(2)求E到平面PBC的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3198a3e5c9200a3c6811fae4afa67b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e8472f8ceb1721ba449151e5aa2c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/ffb74dfa-4c10-4607-b3a4-4e37c5cd3208.png?resizew=164)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
(2)求E到平面PBC的距离.
您最近一年使用:0次
2023-04-13更新
|
729次组卷
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4卷引用:第13章《立体几何初步》单元达标高分突破必刷卷(培优版)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)
4 . 在如图所示的几何体中,四边形ABCD为菱形,
,
,
,
,
,点F在平面ABCD内的射影恰为BC的中点G.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/3/ba831ba5-1826-4024-8a16-eceb84a4b1b6.png?resizew=234)
(1)求证:平面
平面BED;
(2)求该几何体的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ec435aa1401dbce7863b531bf2f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117878cbd8c00f2aabcdf62b487e2dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeedb5f361a1baff6338436fff6c471d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60572975f9ac06ffc8d98ef94de49eb0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/3/ba831ba5-1826-4024-8a16-eceb84a4b1b6.png?resizew=234)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc6db50a9709c3f4d84eee7bdf1250.png)
(2)求该几何体的体积.
您最近一年使用:0次
2023-04-02更新
|
758次组卷
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3卷引用:第13章 立体几何初步(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第二册)
第13章 立体几何初步(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第二册)河南省安阳市2023届高三第二次模拟考试文科数学试题(已下线)期末复习07 空间几何线面、面面垂直-期末专项复习
5 . 如图,在直三棱柱
中,D是
的中点,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/6/9d561edd-f10f-45d8-b960-6724c66e3631.png?resizew=131)
(1)证明:
平面BCD.
(2)求点D到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f41d364b55d88688cd1f571ed231228.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/6/9d561edd-f10f-45d8-b960-6724c66e3631.png?resizew=131)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1d2e0f281222a5f289ea4008370aed.png)
(2)求点D到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea848cd2aa3a464618020475097949fc.png)
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2023-03-26更新
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6卷引用:第13章 立体几何初步(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第二册)
2023高一·全国·专题练习
解题方法
6 . 如图,
是圆柱
的一条母线,
是底面的一条直径,
是圆
上一点,且
,
.
![](https://img.xkw.com/dksih/QBM/2023/3/9/3190862963081216/3192189200056320/STEM/3e86c827d44c4e9dbe3a98b3dd40a4d1.png?resizew=132)
(1)求直线
与平面
所成角正弦值;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59fe75f967e8915c9124a5d4ac420a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://img.xkw.com/dksih/QBM/2023/3/9/3190862963081216/3192189200056320/STEM/3e86c827d44c4e9dbe3a98b3dd40a4d1.png?resizew=132)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
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2023-03-11更新
|
1307次组卷
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10卷引用:第八章立体几何初步章节验收测评卷-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
第八章立体几何初步章节验收测评卷-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)第八章立体几何初步(基础检测卷)(已下线)2023年新高考数学终极押题卷(已下线)专题10 空间角与空间距离的综合(2) - 期中期末考点大串讲(已下线)专题强化二:异面角、线面角、二面角的常见解法 (2)湖南省株洲市炎陵县2022-2023学年高一下学期6月期末数学试题吉林省辽源市田家炳高级中学校友好学校2022-2023学年高一下学期期末联考数学试题河北省高碑店市崇德实验中学2022-2023学年高一下学期期末数学试题(已下线)核心考点08空间直线、平面的垂直-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)上海市三林中学东校2023-2024学年高二上学期12月阶段性测试数学试题
7 . 已知四边形ABCD中,
,
,O是AC的中点,将
沿AC翻折至
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/19/fc493409-cd14-4462-990e-b0f560333ab0.png?resizew=311)
(1)若
,证明:
平面ACD;
(2)若D到平面PAC的距离为
,求平面PAC与平面ACD夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba797c9497b139a93da88f88a768560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23e6106e8c213b3f903fbc6b848ad5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524e3810e06dc781285f1289e75d653.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/19/fc493409-cd14-4462-990e-b0f560333ab0.png?resizew=311)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a459372aa54090fcce9430a3cfa182f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
(2)若D到平面PAC的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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8 . 如图,直四棱柱
中,底面
为菱形,P为
的中点,M为
的中点,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/81216b32-a1dc-419e-8c5c-94c4915506b4.png?resizew=187)
(1)求证:
平面
;
(2)若
,求M到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/6/81216b32-a1dc-419e-8c5c-94c4915506b4.png?resizew=187)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014973e890e8f37de1bf8a050475d4fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/009d2e3f3738a95445be95445c06ee36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6e96872af0f0b341835576c407e364.png)
您最近一年使用:0次
2023-02-06更新
|
953次组卷
|
3卷引用:专题8.17 立体几何初步全章综合测试卷(基础篇)-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)专题8.17 立体几何初步全章综合测试卷(基础篇)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)江西省重点中学协作体2023届高三下学期第一次联考数学(文)试题黑龙江省哈尔滨市第一中学校2022-2023学年高一下学期期中数学试题
9 . 长方体
中,
,
.
(1)求点
到平面
的距离;
(2)求
与平面
所成角大小;
(3)点
为
上的动点,
平面
交
于
,
于点
.设
,写出
长关于
的函数关系式;
(4)当
最短时,求直线
与
所成角大小.
![](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/e55a2310cbba5e050488cd9296eb195d.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4fd5b13f66aaa25632811704596c44.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4fd5b13f66aaa25632811704596c44.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7442b64b37f685bc3ae88ff450c1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee50a23604ea2a9c1f3649dab97c2e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8711eddf26d11fc974dfb6da4b640918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(4)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
您最近一年使用:0次
10 . 如图所示,在四棱锥
中,
,
为棱
的中点,
,
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/4ed0bc12-a7e0-4872-9597-6543cb008f7e.png?resizew=175)
(1)求证:
平面
;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d730ae4307db56b47849c3a19dedfb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d31b90f35782e10643d38e2bda4958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab6c0c86a76630a10bdc005079c0f20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/4ed0bc12-a7e0-4872-9597-6543cb008f7e.png?resizew=175)
(1)求证:
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