名校
解题方法
1 . 已知球内接正四棱锥
的高为
,
、
相交于
,球的表面积为
,若
为
中点.
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/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020402293b35d704f83ed5eaf5e98028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a04ea8ebc597fd1f5d6bb8df181a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bc173337d51e4ab0233407a6088f8d.png)
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2024-04-14更新
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957次组卷
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4卷引用:四川省雅安市神州天立学校2024届高三高考适应性考试(三)数学(文)试题
四川省雅安市神州天立学校2024届高三高考适应性考试(三)数学(文)试题四川省成都外国语学校2024届高三下学期高考模拟(二)数学(文科)试题(已下线)专题3.9 立体中的外接球和内切球-重难点突破及混淆易错规避(人教A版2019必修第二册)四川省峨眉市第二中学校2024届高三适应性考试暨押题数学(文)试题
名校
解题方法
2 . 如图,菱形
的对角线
与
交于点
,
是
的中位线,
与
交于点
,已知
是
绕
旋转过程中的一个图形﹐且
平面
.给出下列结论:
平面
;
②平面
平面
;
③“直线
直线
”始终不成立.
其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b51d3992644d37dc71c9b5a97d515c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6c72495428bbbd12cad3271b0654ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debdc6632a4877e5131d3da25cda8b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
②平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d077f6da8b2c00b152d4679aa2ed7f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
③“直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce49710609f7bffc36441dc5c2f7c2ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
其中所有正确结论的序号为( )
A.①②③ | B.①② | C.①③ | D.②③ |
您最近一年使用:0次
2024-03-27更新
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9卷引用:四川省雅安市2024届高三下学期二诊数学(文)试题
四川省雅安市2024届高三下学期二诊数学(文)试题四川省广安市2024届高三第二次诊断性考试数学(文)试题2024届四川省遂宁市等3地高三二模文科数学试题河南省南阳市西峡县第一高级中学2023-2024学年高二下学期第一次月考数学试卷四川省乐山市2024届高三第二次调查研究考试文科数学试题(已下线)专题20 空间直线、平面的垂直-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)8.6.3平面与平面垂直【第三课】“上好三节课,做好三套题“高中数学素养晋级之路2024届宁夏回族自治区银川一中高考三模理科数学试题(已下线)6.5.2平面与平面垂直-【帮课堂】(北师大版2019必修第二册)
解题方法
3 . 如图,正方体的棱长为1,线段
上有两个动点
,且
,则下列结论中正确的是( )
A.![]() | B.![]() ![]() |
C.异面直线![]() | D.直线![]() ![]() |
您最近一年使用:0次
名校
解题方法
4 . 如图,在四棱柱
中,底面
和侧面
均是边长为2的正方形.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/556d1832-282b-4706-8631-b4230dd65492.png?resizew=177)
(1)证明:
.
(2)若
,求点
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/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/556d1832-282b-4706-8631-b4230dd65492.png?resizew=177)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d56889f2417c8449b7ed31a03550d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66851f7400115aa40cb6020de80f7bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96872cd6cd581ae8a861c7032e0257b4.png)
您最近一年使用:0次
2024-03-12更新
|
966次组卷
|
4卷引用:四川省雅安市雅安中学等校联考2023-2024学年高三下学期开学考试数学(文)试题
四川省雅安市雅安中学等校联考2023-2024学年高三下学期开学考试数学(文)试题(已下线)热点6-1 线线、线面、面面的平行与垂直(6题型+满分技巧+限时检测)四川省2024届高三下学期2月大联考数学(文科)试题(已下线)第3讲:立体几何中的探究问题【练】
5 . 如图,在三棱锥
中,
⊥平面
,
⊥
,
分别为
的中点,且
.
平面
.
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61de6d673ecbbbd9458991558e7dc90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2428e2c35a9dee2e6475f8264cba9115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51838e395dfc9d9ef597d9e01f46272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90da0522dd9378bab25de2f560aec563.png)
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2023-11-25更新
|
605次组卷
|
4卷引用:四川省雅安市联考2024届高三上学期期中数学(文)试题
四川省雅安市联考2024届高三上学期期中数学(文)试题四川省绵阳市绵阳实验高级中学2024届高三上学期11月月考数学(文)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)重难点专题10 轻松解决空间几何体的体积问题-【帮课堂】(苏教版2019必修第二册)
6 . 如图,在正方体
中,E是棱CD上的动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/7/77ee7993-5ca2-49c6-9980-b1073c714968.png?resizew=179)
A.![]() ![]() |
B.![]() |
C.三棱锥![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
2023-07-14更新
|
624次组卷
|
4卷引用:四川省雅安市2022-2023学年高一下学期期末数学试题
名校
解题方法
7 . 三棱台
中,两底面
和
分别是边长为2和1的等边三角形,
平面ABC.若
,则异面直线AC与
所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/6/ad4f5055-99f4-46a5-b683-3f72f2466a9c.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462b1c65b1b233ab98a90c164c0968c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/6/ad4f5055-99f4-46a5-b683-3f72f2466a9c.png?resizew=149)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-07-05更新
|
621次组卷
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6卷引用:四川省雅安市2022-2023学年高一下学期期末数学试题
名校
8 . 已知四棱锥
的每个顶点都在球O的球面上,球O的表面积为
,
平面
,底面
是等腰梯形,
,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cd2c05e4d9b63310ab83fac3f00b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95475bfc06e884754eb4a455c3f434e.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/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5a86745bfe1dfe7bc2683811210330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1b84994e80127cf40d319de32f409e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0185df16d40c33c4409f0048033fb419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.4 | B.5 | C.![]() | D.![]() |
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2023-04-21更新
|
545次组卷
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3卷引用:四川省雅安市部分校2022-2023学年高三下学期4月联考数学(文科)试题
9 . 如图所示的三棱锥
中,
为等腰直角三角形,且
,侧棱
,
,则经过该三棱锥四个顶点的球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e010f832f9b7437c9aedcb871e2015ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13bebc5356565d079c00b538232fa7d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/265dea30-7261-4dc4-af89-ddb903e9de33.png?resizew=337)
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2022-10-29更新
|
647次组卷
|
2卷引用:四川省雅安市2023届高三零诊考试数学(理)试题
10 . 四棱锥
的底面ABCD是等腰梯形,
,平面
平面ABCD,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/15/a3637709-fb8c-40a0-91d7-b55e0e1610ec.png?resizew=193)
(1)求证:
;
(2)求AP的长度;
(3)求直线AC与平面PBC所成角的正弦值.
![](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/f04c222223dae9ef27d4c132534d9848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641aa755ada1d83daafc82d5f1fa88db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23190378f340ce5e8306f88c3caef1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3e27f6e6d1592408508cc9fd14d480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8825d400f453c5c17a7beeb1cc9a9cf3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/15/a3637709-fb8c-40a0-91d7-b55e0e1610ec.png?resizew=193)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2951b9f77413d5f062acb300b09de1f6.png)
(2)求AP的长度;
(3)求直线AC与平面PBC所成角的正弦值.
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