1 . 在四棱锥中,已知平面
平面
,
,若二面角
的正切值为
,则四棱锥
外接球的表面积为
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2024-03-29更新
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2卷引用:河南省TOP二十名校2024届高三下学期质检一数学试题
2 . 如图在四棱柱中,侧面
为正方形,侧面
为菱形,
,
、
分别为棱
及
的中点,在侧面
内(包括边界)找到一个点
,使三棱锥
与三棱锥
的体积相等,则点P可以是
的大小为
,当
取最大值时,线段
长度的取值范围是
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3 . 如图,在矩形中,
分别在线段
上,
,将
沿
折起,使
到达
的位置,且平面
平面
,若直线
与平面
所成角的正切值为
,则四面体
的外接球的半径为
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名校
4 . 如图,正方体
的棱长为1,
为
的中点,
为线段
上的动点,过点
,
,
的平面截该正方体所得截面记为
,则下列命题正确的是 _____ (写出所有正确命题的编号)
①当
时,
为等腰梯形.
②当
时,
与
的交点
满足
.
③当
时,
为四边形.
④当
时,
的面积为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/aed87ed8-cdfa-4cd4-908c-35ec20cd9a1e.png?resizew=161)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8ecec69ebfb4d63d11e4859451b6523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f337c260621716d41888036267e66bdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/806fd0d68da868a646a3ebd80ead79af.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf9683720e4da0e637e3835d14f3ffb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa858b7c23b77ab2647e01ae4ad57fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c7616cd0d90265f4b2c9c021254fe.png)
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2024-03-22更新
|
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|
3卷引用:上海市杨浦高级中学2023-2024学年高二下学期3月月考数学试卷
2024高三·全国·专题练习
解题方法
5 . 如图,某人在垂直于水平地面
的墙面前的点
处进行射击训练.易知点
到墙面的距离为
,某目标点
沿墙面上的射线
移动,此人为了准确瞄准目标点
,需计算由点
观察点
的仰角
的大小.若
,
,
,则
的最大值是________ (仰角
为直线
与平面
所成角).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c04cfe047d29caa0f4ee1589809c473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934689c450de4c9e1c6441cd9e7c7422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f504cd6d53cbf28a697d0ed5caf8fe6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/d0318163-dccc-4388-a744-32cee4f0e889.png?resizew=178)
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解题方法
6 . 直三棱柱
中,
,
,
,
分别是棱
,
上一点,且
,若三棱锥
的外接球与三棱锥
的外接球外切,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.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/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157ab96c2f0461f7950c94c707e037cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f73a0ca4e6c794242489066fddb6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c0fd9a8e3c65cc498e577641817b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
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7 . 已知菱形
中,对角线
,将
沿着
折叠,使得二面角
为
,
,则三棱锥
的外接球的表面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1854ba6cc92481d7a616bd2788a47e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
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解题方法
8 . 已知正四面体
的棱长为2,动点
满足
,且
,则点
的轨迹长为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699f18e45e11545da4cb546bcc1b5587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d833378fedd8a5eb2135c54f3642e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2024-03-14更新
|
906次组卷
|
2卷引用:山东省聊城市2024届高考模拟数学试题(一)
名校
9 . 如图,将正四棱柱
斜立在平面
上,顶点
在平面
内,
平面
,点
在平面
内,且
.若将该正四棱柱绕
旋转,
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1d2e0f281222a5f289ea4008370aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db768f2ad30b15e6d533056ee6332ea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e7842ec06f4f0c29b7ca67810e68f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
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2024-03-07更新
|
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|
6卷引用:广东省2024届高三下学期开学考试数学试题
名校
10 . 如图,在三棱锥
中,平面
平面
为棱
上靠近点
的三等分点,且
为
的角平分线,则二面角
的平面角的正切值的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74684c76385a0240f1e9b7f22202ef12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf29d07c3751c41ab3503065a5a5052e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/16513c35-d137-41b3-ad20-4b4258f1d346.png?resizew=154)
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|
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|
3卷引用:湖南省三湘创新发展联合体2023-2024学年高三下学期2月开学统试数学试题