1 . 如图,在四棱锥
中,
平面
,
,
,
,
,点
为
的中点.
平面
;
(2)若
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4117625867a74cd022584500c76deca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39967d6f3aed6ce7b6643787795d451d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4ab7e657f01bdfa235f8c4d6681d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b09f34fb06ae90a8d7b1a25ea01645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72aaf3dd6430012945b647bdb51042c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1af39ac32939151e7f33b3139f31995f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b87f92a36e34f4a76360276adeb0914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ac7cf883a6e586d06e3f33875bd95b.png)
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2023-12-13更新
|
407次组卷
|
4卷引用:四川省达州市普通高中2024届第一次诊断性测试数学(文科)试题
四川省达州市普通高中2024届第一次诊断性测试数学(文科)试题四川省达州市宣汉县土黄中学2023-2024学年高二上学期第三次月考数学试题(已下线)第10讲 空间的垂直关系-【寒假预科讲义】(人教A版2019必修第二册)(已下线)专题13.7空间中的距离和夹角问题-重难点突破及混淆易错规避(苏教版2019必修第二册)
解题方法
2 . 已知直线和平面
,有如下四个命题,其中真命题的个数是( )
①若,则
; ②若
,
,则
;
③若,则
; ④若
,则
.
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2023-12-12更新
|
471次组卷
|
4卷引用:四川省雅安市天立高级中学2024届高三一诊模拟数学(文)试题
四川省雅安市天立高级中学2024届高三一诊模拟数学(文)试题四川省雅安市天立高级中学2024届高三一诊模拟数学(理)试题(已下线)模块一 专题1 立体几何(1)高三期末(已下线)8.6.3平面与平面垂直 (第2课时) -【上好课】(人教A版2019必修第二册)
3 . 如图所示,
是正三角形,
平面
,
,
,
,且F为
的中点.
平面
;
(2)求平面
与平面
所成二面角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4c3f9dd5d0343597a7f58a1989b537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af4a9a466a3b1a794f6190c860806de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317888e19b25197c633acd44eb855f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2b5cfae407016cad45bbdefea05833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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4 . 如图,已知四棱锥
的底面
是菱形,
,
是边长为2的正三角形,平面
平面
,
为
的中点,点
在
上,
.
平面
;
(2)求三棱锥
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/00ec435aa1401dbce7863b531bf2f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ecff2da7c8f26cd673f0278351493c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2597b5554284e275367c25529c6750f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f5b538bcfb898fcc9d3a2dd8a1b080.png)
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5 . 已知直线
的方程为
,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81041b4dd93923454a8f69da30d53249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
名校
解题方法
6 . 在平面直角坐标系xOy中,若圆
(r>0)上存在点P,且点P关于直线
的对称点Q在圆
上,则r的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a23272c8ee659834fd8014240223fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485c8ebe275b99df0acf6d91a4230fc.png)
A.(2,+∞) | B.[2,+∞) | C.(2,8) | D.[2,8] |
您最近一年使用:0次
2023-11-30更新
|
369次组卷
|
2卷引用:四川省绵阳市南山中学实验学校2024届高三(补习班)上学期11月月考数学(理)试题
7 . 下列命题中一定正确的是( ).
A.如果平面![]() ![]() ![]() ![]() |
B.如果平面![]() ![]() ![]() ![]() ![]() |
C.如果平面![]() ![]() ![]() ![]() |
D.如果直线![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-11-30更新
|
773次组卷
|
3卷引用:四川省成都市石室中学2023-2024学年高三上学期期中考试理科数学试卷
名校
解题方法
8 . 如图,在正方体
中,直线
与平面
所成角的正切值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2023-11-29更新
|
313次组卷
|
2卷引用:四川省普通高中2024届高三上学期学业水平考试数学试题
解题方法
9 . 若球的表面积为
,则顶点均在该球球面上的正方体体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95265f94a8eb7f76b5db6875246a091d.png)
A.256 | B.64 | C.27 | D.8 |
您最近一年使用:0次
名校
解题方法
10 . 如图,在三棱柱
中,侧棱
底面
,
,
,三棱柱外接球的球心为
,点
是侧棱
上的一动点.下列说法正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/76d6e889-ac41-461f-b567-526468149acf.png?resizew=186)
①直线
与直线
是异面直线;②若
,则
与
一定不垂直;③若
,则三棱锥
的体积为
;④ 三棱柱
外接球的表面积的最大值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829018a6ca0aff95d89e3f7cd943274e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/76d6e889-ac41-461f-b567-526468149acf.png?resizew=186)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e516121599c9fcc528121c00afcf52fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02dd76b7dbe2d9ea408dcac787f89d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2d196c5696184b812ed6cf16ca3b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02dba908a505cff93e0b297d00b82a40.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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