解题方法
1 . 如图,在四棱锥
中,四边形
是矩形,
,
,
为
上一点,且
平面
,
到
的距离为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/5/6e850be1-de00-46ff-8533-3688f1fdab63.png?resizew=177)
(1)证明:
.
(2)已知点
在线段
上,且
,求平面
与平面
夹角的余弦值.
![](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/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbb05b8b630052ff544249ebd72d95d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68c1d20a422a363e356a160f096503c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/5/6e850be1-de00-46ff-8533-3688f1fdab63.png?resizew=177)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300ee27f04188cb8ee5e20394c8f50fd.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8a5fc1d31b0f1a85e09336494c2e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09d9d486b7f91ba933210dd013a7f2c.png)
您最近一年使用:0次
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解题方法
2 . 已知椭圆E的方程为
,
与
是E的左右两个焦点,
是E的下顶点.
(1)设斜率为1的直线l过点
,且与E交于M,N两点,求弦
的长;
(2)若E上一点P满足
,求三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ab5ed3dd54f42da747b01afdb7b031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e10de2c38bc918ae9e1ce62a5c70099.png)
(1)设斜率为1的直线l过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
(2)若E上一点P满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aaeb8b71e4552c1ce740f5497bd13f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c680749eda007641fdaa9f9fdc103700.png)
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解题方法
3 . 求符合下列条件的双曲线的标准方程:
(1)顶点在
轴上,焦距为10,
;
(2)渐近线方程是
,虚轴长为4.
(1)顶点在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf225b4a29dc973d00c0d0dd76b45288.png)
(2)渐近线方程是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
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4 . 如图,在正四棱锥
中,
,正四棱锥
的体积为
,点
为
的中点,点
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/eaab81cc-bdc2-47b4-8fce-3cb916a606ef.png?resizew=184)
(1)求证:
平面
;
(2)求平面PBM与平面NBM夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/eaab81cc-bdc2-47b4-8fce-3cb916a606ef.png?resizew=184)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求平面PBM与平面NBM夹角的余弦值.
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解题方法
5 . 如图所示,在正四棱柱
中,
是
的中点,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/52ecc4bc-cc89-41bb-8a07-50cc943ad228.png?resizew=117)
(1)求
到平面
的距离;
(2)在棱
上是否存在一点
,使二面角
为
?若存在,建立适当坐标系,写出
点坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287d3e6e2428f1be7064d1c895c54cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/9/52ecc4bc-cc89-41bb-8a07-50cc943ad228.png?resizew=117)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb304d905125170bebfada27e7ed8960.png)
(2)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2a24c438338831ff1089361185f375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解题方法
6 . 如图所示,在底面是矩形的四棱锥
中,
底面
分别是
的中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/f2a1e91c-ba14-42a2-a2e9-68b90402085e.png?resizew=164)
(1)求
两点间的距离;
(2)求证:
平面
;
(3)求证:平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58bf40f6235d0231481c2598e2ba977b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e7344dca1e40bf072371ddd5640111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee510d749b7de1151bb3b712ee8affce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/f2a1e91c-ba14-42a2-a2e9-68b90402085e.png?resizew=164)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6640bb4ae84c81b1cce121cf072ea00f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f9d682e5d3cc8573574d8d11636758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(3)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
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解题方法
7 . 已知集合
,集合
.
(1)若“
”是“
”的充分条件,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c60ee1eb10343e26071284415000f13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaa19ccdc98f357f86529d6f0deb973.png)
(1)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-11-09更新
|
206次组卷
|
2卷引用:广东省清远市五校2023-2024学年高一上学期期中数学试题
名校
8 . 如图,在四棱锥
中,底面
为直角梯形,
,
,
,
,
为
的中点,且
.记
的中点为
,若
在线段
上(异于
、
两点).
是
中点,证明:
平面
;
(2)若直线
与平面
所成角的正弦值为
,求线段
的长.
![](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/4a0e5697eca3f5205cb7b343648240bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febdb95e8536e7000ad25c4ce1207665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac224254ec674dddd13169a6381d974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d4fb1fe5859dd21a6efd4feae51a17e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab52a9c7f7b361ad0488f01d714135fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
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2023-10-17更新
|
250次组卷
|
3卷引用:广东省清远市阳山县南阳中学2023-2024学年高二上学期10月月考数学试题
广东省清远市阳山县南阳中学2023-2024学年高二上学期10月月考数学试题(已下线)专题09 立体几何(5大易错点分析+解题模板+举一反三+易错题通关)-2江西省宜春市丰城市第九中学2023-2024学年高二下学期4月期中考试数学试题
名校
9 . 如图,在四棱锥
中,底面
是边长为3的菱形,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/fce0cf9e-897b-42d7-a500-834b2c2bb2e0.png?resizew=184)
(1)利用空间向量证明
;
(2)求
的长.
![](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/7799afd16f7e57ad8603b029f1775114.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/fce0cf9e-897b-42d7-a500-834b2c2bb2e0.png?resizew=184)
(1)利用空间向量证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b07e317ffe7859e81b42ef4970e344a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
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2023-10-12更新
|
413次组卷
|
5卷引用:广东省清远市名校2023-2024学年高二上学期期中调研联考数学试题
广东省清远市名校2023-2024学年高二上学期期中调研联考数学试题安徽省县中联盟2023-2024学年高二上学期10月联考数学试题四川省成都市武侯高级中学2023-2024学年高二上学期期中数学试题(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1 空间直线垂直的判定与证明【基础版】(已下线)6.2 空间向量的坐标表示(1)
名校
解题方法
10 . 如图,在四棱柱
中,四棱锥
是正四棱锥,
.
(1)求
与平面
所成角的正弦值;
(2)若四棱柱
的体积为16,点
在棱
上,且
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec35c2182c5e0c80b766adceb058e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e31742a889521e2f772eb4bb41373d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/1/57f79e2c-2b73-404e-aca1-4b0ba7564229.png?resizew=164)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)若四棱柱
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8667522c22932036dea088995694614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a98287a302228ece1fa53c5c66c590f.png)
您最近一年使用:0次
2023-10-12更新
|
419次组卷
|
4卷引用:广东省清远市名校2023-2024学年高二上学期期中调研联考数学试题
广东省清远市名校2023-2024学年高二上学期期中调研联考数学试题安徽省县中联盟2023-2024学年高二上学期10月联考数学试题(已下线)黄金卷01(已下线)第七章 应用空间向量解立体几何问题拓展 专题一 立体几何非常规建系问题 微点1 立体几何非常规建系问题(一)【培优版】