名校
解题方法
1 . 已知四棱锥
的底面
是正方形,给出下列三个论断:①
;②
;③
平面
.
(2)在(1)的条件下,若
,求四棱锥
体积的最大值.
![](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/6ed66431681da1db8f7cb0f40cd19201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cd8ba7eb52e38857830162e770f534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc532cfe64300cb3da9e04a307c957a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
您最近一年使用:0次
2024-04-23更新
|
490次组卷
|
2卷引用:河南省开封市2024届高三第三次质量检测数学试题
2024·全国·模拟预测
名校
解题方法
2 . 已知双曲线C的中心为坐标原点,对称轴为坐标轴,点
在C上,点P与C的上、下焦点连线所在直线的斜率之积为
.
(1)求双曲线C的标准方程;
(2)经过点
的直线
与双曲线C交于E,F两点(异于点P),过点F作平行于x轴的直线
,直线PE与
交于点D,且
求直线AB的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2007972af3341f27fbc32ce62dfce5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)求双曲线C的标准方程;
(2)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30fffe4e7a60b93192117607f494d15f.png)
您最近一年使用:0次
2024-01-06更新
|
1518次组卷
|
5卷引用:河南省郑州市郑州外国语学校2024届高三上学期适应性训练数学试题
河南省郑州市郑州外国语学校2024届高三上学期适应性训练数学试题(已下线)2024年普通高等学校招生全国统一考试数学预测卷(七)(已下线)专题12双曲线(3个知识点5个拓展2个突破8种题型5个易错点)-【倍速学习法】2023-2024学年高二数学核心知识点与常见题型通关讲解练(人教A版2019选修第一册)重庆市渝北中学校2023-2024学年高三下学期2月月考数学试题湖南省长沙市明德中学2023-2024学年高二下学期开学考试数学试卷
名校
解题方法
3 . 如图,在三棱柱
中,
,平面
平面
为
的中点.
平面
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798663b16cb202639ea6c4be197538b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dee56b9f36ba8f76fe67b76383636b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159d0b8fbc2476e822e697107a0101fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070b9e8a2a461bdd8d48033bfc7d4c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cdc56590b42b154608b4cf19462fa0.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eacc0e7474802ce634de6f55a3287115.png)
您最近一年使用:0次
解题方法
4 . 如图,在三棱锥
中,
,
,
,
平面
,D为
上一点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/d231dba2-9070-482a-9176-419056d78295.png?resizew=147)
(1)证明:
平面
;
(2)若E为
上一点,
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/883fc5e3faf39829d60804b59deb1730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005b8de8c226eeae658138b0737b7b64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/d231dba2-9070-482a-9176-419056d78295.png?resizew=147)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
(2)若E为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30987c1ff8b2cc69bb6ad6c41bde18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212b200cb65843fe03aab377d53991d7.png)
您最近一年使用:0次
5 . 如图,在四棱锥
中,底面ABCD是平行四边形,
,
,
,
,点M在底面ABCD上的射影为CD的中点O,E为线段AD上的点(含端点).
(1)若E为线段AD的中点,证明:平面
平面MAD;
(2)若
,且三棱锥
的体积为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4117625867a74cd022584500c76deca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c3ec174b1ce835cc8737ff6ce57e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08c9394de5e1f25d317f4b977c6c9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ab46164b23af7a4c4907f176e392ec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/a0c91330-c9b5-42a7-ac9c-c4d0080bb910.png?resizew=191)
(1)若E为线段AD的中点,证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74d03352a7c971bcb9bb3938736abbb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e112ac4297ba49e2245029a320944c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95eb5fb539b9c4c629d30b40fa47939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
6 . 如图,在四棱锥
中,平面
平面
,底面
是正方形,
分别是
的中点,平面
经过点
,且与棱
交于点
.
(1)试用所学知识确定
在棱
上的位置;
(2)若
,求多面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e7f10e0c8af2d0d02a685f6f19e329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa364dffb98a94fb8285c2cdb9ad14b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113c07cfff26f74cb57759a067fbe612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/8/496dcb30-d021-4eaf-ae09-fcf5d8c217d2.png?resizew=172)
(1)试用所学知识确定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079939b57b622b28d3ac3d1b9705eaef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af39a146d2014f46f9972c1723da3e8.png)
您最近一年使用:0次
7 . 如图所示,正六棱柱
的底面边长为1,高为
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b0aa8b73e629c6414d8b96b9b478c.png)
平面
;
(2)求平面
与平面
间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858be9a2f30a22cfdebeaa5bf2e45b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b0aa8b73e629c6414d8b96b9b478c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b0aa8b73e629c6414d8b96b9b478c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
您最近一年使用:0次
2023-09-05更新
|
703次组卷
|
8卷引用:河南省部分名校2023届高三二模文科数学试题
河南省部分名校2023届高三二模文科数学试题(已下线)模块三 专题4 大题分类练(立体几何)基础夯实练(已下线)第13讲 8.6.2直线与平面垂直的性质定理 (第2课时)-【帮课堂】(人教A版2019必修第二册)(已下线)专题7.2 空间中的位置关系【十大题型】(已下线)专题7.3 空间角与空间中的距离问题【九大题型】(已下线)专题8.9 空间角与空间距离大题专项训练-举一反三系列(已下线)第13章 立体几何初步 章末题型归纳总结 (2)-【帮课堂】(苏教版2019必修第二册)(已下线)专题06 立体几何初步解答题热点题型-《期末真题分类汇编》(江苏专用)
解题方法
8 . 如图,四棱锥
中,四边形ABCD为梯形,
,
,
,
,
,M,N分别是PD,PB的中点.
(1)求证:直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
平面
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6fc789505420e3db2325a9c3721d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1806bb5466e7279fd46f602ab1b473f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ff26d9121c651ed648f0eafe293fd6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/5/b42b774a-e654-4c80-b84d-f77d0681c301.png?resizew=142)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d451324445a93eb518abdc2bd9a4733.png)
您最近一年使用:0次
2023-09-05更新
|
995次组卷
|
6卷引用:河南省商丘市等2地2023届高三三模文科数学试题
河南省商丘市等2地2023届高三三模文科数学试题(已下线)阶段性检测3.3(难)(范围:集合至立体几何)(已下线)第一章 点线面位置关系 专题二 空间垂直关系的判定与证明 微点2 空间直线垂直的判定与证明综合训练【培优版】(已下线)艺体生一轮复习 第七章 立体几何 第33讲 空间中的平行关系【练】 (已下线)第13讲 8.6.2直线与平面垂直的性质定理 (第2课时)-【帮课堂】(人教A版2019必修第二册)(已下线)专题7.2 空间中的位置关系【十大题型】
解题方法
9 . 在三棱台
中,
,
分别是
,
的中点,
,
平面
,且
,
.
(1)求证:
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8783bc74553bf44b61d999a0e4144bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0b72906641ed13716cfbce50923282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756d881d30af9d615bcb55237fd2ce85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/3/dd27f4c1-8aa4-4af8-9f04-8b893e71367b.png?resizew=164)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc186149fbf6a05439a6e9559002b4b.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d00ec1b3d7b20c0688bd71ce4a79003.png)
您最近一年使用:0次
解题方法
10 . 如图,在圆锥DO中,D为圆锥顶点,AB为圆锥底面的直径,O为底面圆的圆心,C为底面圆周上一点,四边形OAED为矩形,且
,
.
(1)若F为BC的中点,求证:
平面ACE;
(2)若
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f656e1d1f68954e5f06de8958f6a9310.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/28/f00b8cc7-93d8-4714-9fbf-d97da51976da.png?resizew=136)
(1)若F为BC的中点,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f44f2b2f82a9126223138972850aa2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cc9c9a1c828f5b3c718e2a98a749192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32fdd65aa55d1833750ef453a295d19.png)
您最近一年使用:0次