名校
解题方法
1 . 如图,在直三棱柱
中,
,
,点
为
中点,连接
、
交于点
,点
为
中点.
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
平面
;
(2)求证:平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f7050f3151f3107611ddfef1709eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269c684310d0f7b5b9bf0a291e7ee748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.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/f2eb89294b31ffdd2680b4361e8994d7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/16/66c71b4b-7ad2-40b1-b229-c4d3d091b439.png?resizew=140)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54415b35519030aaa5f7edf879f1160c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41104641f3e2260d00aeadf8fb8a078a.png)
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2 . 已知半径为
的圆经过点
,其圆心到直线
的距离的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86022205a7487439dd8d0897cd3bf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638c8ebe4d2e418f1783269f71ef3826.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知直线
.则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061af1c7a4480004221e253d813efe07.png)
A.点![]() ![]() | B.直线![]() ![]() ![]() |
C.直线![]() ![]() | D.直线![]() ![]() |
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4 . 如图,四边形
为矩形,
平面
,
,且
,记四面体
,
,
的体积分别为
,
,
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/906d3324-f199-4aeb-b0e8-5e0e1dfea148.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92e4072cbb86d624d775ae8cdb8a351d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82c658f1451fe0aec5c04f65994a203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c482ee1668a59ca21f3ae8b6bad58eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3668b8463c08e4e0dc594cd82af40891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38691c0f8804eb03c192070b27fcfee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4764374bd2fb78e59cd0b283637baeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63055a5d6916f99d07fede49120753f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3411c87c90bd10bbadd9201630bf45f4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/906d3324-f199-4aeb-b0e8-5e0e1dfea148.png?resizew=155)
A.直线![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.![]() |
D.直线![]() ![]() ![]() |
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2023-03-20更新
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4卷引用:山东省青岛第二中学2022-2023学年高二下学期期初考试数学试题
山东省青岛第二中学2022-2023学年高二下学期期初考试数学试题山东省烟台栖霞市第一中学2022-2023学年高一下学期6月月考数学试题(已下线)重难点专题03 空间直线平面的垂直-【同步题型讲义】河南省洛阳市第二高级中学2022-2023学年高一下学期5月月考数学试题
5 . 正方体容器
中盛满水,
,
分别是
的中点,若
个小孔分别位于
三点处,则正方体中的水最多会剩下原体积的________ .(用分数表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94352580073f69b5be36bde89a8d0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d823b24dbe092e12c60f8fa00f5d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/95fd48fd-aaac-4a75-9a2e-51ab307d126d.png?resizew=185)
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解题方法
6 . 如图,已知正方体
的棱长为
,
、
分别为
、
的中点,
在线段
上运动(包含两个端点),以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/8/7c2876a1-272d-4ea9-9c4b-60a396f8d024.png?resizew=154)
A.三棱锥![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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4卷引用:山东省实验中学2023-2024学年高二上学期开学数学试题
名校
7 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc193f1d27c0cd5cb2ad1791e7d0a2c.png)
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b97ab3b66712c79b788f21ec005e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc193f1d27c0cd5cb2ad1791e7d0a2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a47fb9a23ccaa593913a324ca146e0a.png)
A.![]() | B.3 | C.![]() | D.4 |
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4卷引用:山东省枣庄市第八中学2023-2024学年高二上学期开学摸底考试数学试题
8 . 已知
为坐标原点,动点
到两个定点
的距离的比为
,记动点
的轨迹为曲线
.
(1)说明
是何种曲线,并求曲线
的方程;
(2)若直线
过点
,曲线
截
所得弦长等于
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9f6d91f04b1bad46c159500244874d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcf82d01c39fd2c96e1edba0ad37dd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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9 . 已知直线
的斜率为
,则
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知圆
,圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d67a870e041168f7c1c6064b34c54b.png)
A.圆![]() ![]() |
B.圆![]() ![]() ![]() |
C.圆![]() ![]() ![]() |
D.圆![]() ![]() ![]() |
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5卷引用:山东省青岛市胶州市等2022-2023学年高二下学期期初自主检测数学试题
山东省青岛市胶州市等2022-2023学年高二下学期期初自主检测数学试题(已下线)第18讲 圆与圆的位置关系4种常见考法归类(2)(已下线)2.5 直线与圆、圆与圆的位置关系(精练)-2023-2024学年高二数学《一隅三反》系列(人教A版2019选择性必修第一册)湖北省荆州市荆州中学2023-2024学年高二上学期期末考试数学试题(已下线)专题18 圆与圆的位置关系5种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)