名校
解题方法
1 .
的内角A,B,C的对边分别为a,b,c,已知
,且
的面积为
.
(1)求
的值;
(2)若D是
边的中点,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6735e1e097882f3577bc52117ba3b6a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27567d43c5b91382ee3d7ca708ee422.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
(2)若D是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86826064100112b438fd10178f19de10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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2卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
2 . 如图,在四棱锥
中,底面
是矩形,
,
,
与
交于点O,
底面
,
,点E,F分别是棱
,
的中点,连接
,
,
.
平面
;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02bd5cfe804460846423e77f72db10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc6f007dbf1c1a36eb031e520608403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbaf1775f62352ee64d74c1ed3a2e4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e61620a272dada8d4b9a9fab6379dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30513ea48bc1ef3ae78adac83d894f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598c4ff9fc8518fa4829e39254d3f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c406c4f1880daebcccf913ba3f93512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392e71a9d1ebe4577f785581d0142305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7609a1407f1e965fc9f1235552dcf9e.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3211ae598ffd129bd86c914b4ab65f3.png)
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3卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
3 . 动直线l:
被圆C:
截得弦长的最小值为______________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de24e3d618264806ab785a935f644900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5058b31a3cd6b32597be35a64950b9b7.png)
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2卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
名校
解题方法
4 . 已知正方体
的棱长为2,P为
的中点,过A,B,P三点作平面
,则该正方体的外接球被平面
截得的截面圆的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题河南省信阳市新县高级中学2024届高三4月适应性考试数学试题四川省遂宁市射洪中学校2024届高三下学期二模考试数学(理)试卷(已下线)6.1 空间几何体及其表面积和体积(高考真题素材之十年高考)(已下线)专题7 立体几何综合问题【讲】江西省部分学校2024届高三下学期5月月考数学试题(已下线)专题05 立体几何初步客观题热点题型(2) -期末真题分类汇编(江苏专用)山东省德州市夏津育中万隆中英文高级中学2023-2024学年高一下学期5月月考数学试题河南省安阳市第一中学2023-2024学年高一下学期第二次阶段考试数学试题
名校
解题方法
5 . 过双曲线C:
(
,
)的左焦点F作圆
的切线,切点为A,直线
与C的渐近线在第一象限交于点B,若
,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93dd4d854fbc236bccbd97a5d715fe97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd8c1386586a3c8bdf90ae6a680f242.png)
A.![]() | B.![]() | C.2 | D.3 |
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2卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
名校
6 . 已知点
在抛物线C:
(
)上,F为C的焦点,直线
与C的准线相交于点N,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87eff8038030caf8989640c8ee676280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/050a400ef5900c4a69b4d3270b0b4ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c197c71b3fbaa59d317d18b2bd98a1b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
7 . 如图,在四棱锥
中,底面
是矩形,
,
,
与
交于点
,
底面
,
,点
,
分别是棱
,
的中点,连接
,
,
.
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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.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/bbc6f007dbf1c1a36eb031e520608403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c80b508a551c7e67587eaf6eaae2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392e71a9d1ebe4577f785581d0142305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2f4c3aeb9a3c57df28bae5e2a6aa6d.png)
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名校
解题方法
8 . 已知函数
是偶函数,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec487af302f41d11ce57921b631684a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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5卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
名校
解题方法
9 . 已知
,
,给出下列不等式
①
;②
;③
;④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0bb5f1fcfe43c42f90847ea375f0e5.png)
其中一定成立的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2632ec84ab74a2375a0a8f3bd8f92cc7.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8274957c1cf4ca270a124e17ea547a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100fa43c37aef2e91f5e76e78beeb915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09935031283ec95a10cedf496d769529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0bb5f1fcfe43c42f90847ea375f0e5.png)
其中一定成立的个数为( )
A.1 | B.2 | C.3 | D.4 |
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3卷引用:四川省泸州市2024届高三第三次教学质量诊断性考试(理科)数学试题
解题方法
10 . 已知圆锥的体积为
,其侧面展开图为一个半圆,则该圆锥的内切球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e0166cef87d437ba03524bbdb61288.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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