名校
解题方法
1 . 如图,在直三棱柱
中,
,
,
,
为线段
上的一点,且二面角
的正切值为3,则三棱锥
的外接球的体积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886d3f9d72d99005a9694c9ad8a6f706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a2fd95dfda3f70bc2d9fcd8380bf99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e3bcd0df1bc8fda7ac4df343c7924d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/965ac52d-0dbd-4b07-b885-dc097168d0cf.png?resizew=154)
您最近一年使用:0次
2023-11-26更新
|
1018次组卷
|
10卷引用:黄金卷04(文科)
(已下线)黄金卷04(文科)四川省2024届高三上学期第四次联考(月考)文科数学试题四川省2024届高三上学期第四次联考(月考)理科数学试题(已下线)第16讲 拓展一:立体几何中空间角的问题和点到平面距离问题-【帮课堂】(人教A版2019必修第二册)(已下线)第14讲 8.6.3平面与平面垂直(第1课时 )-【帮课堂】(人教A版2019必修第二册)辽宁省名校联考2024届高三上学期12月联合考试数学试题陕西省榆林市米脂中学2024届高三上学期第六次模拟考试数学(理)试题(已下线)模块一 专题1 立体几何(2)高三期末福建省三明市第一中学2024届高三上学期月考二(12月)数学试题山东省菏泽市鄄城县第一中学2024届高三上学期1月月考数学试题
2 . 已知正方体
的棱长为
是空间中任意一点.
①若点
是正方体表面上的点,则满足
的动点轨迹长是
;
②若点
是线段
上的点,则异面直线
和
所成角的取值范围是
;
③若点
是侧面
上的点,
到直线
的距离与到点
的距离之和为2,则
的轨迹是椭圆;
④过点
的平面
与正方体每条棱所成的角都相等,则平面
截正方体所得截面的最大面积是
;
⑤设
交平面
于点
,则
.
以上说法正确的是__________ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc79c14b2ed75664547ddd8ba5b1be9a.png)
①若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c04dac2bfb09dd8bef6cd629e28d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
②若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb5de73caf22a6260dc3f8fe87a3908.png)
③若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④过点
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adbd3e8cf8325999cde03adf845d3dd0.png)
⑤设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a52848aff08399a36f217356007a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d2ff00eeee8ec69d484ed8d7c5ef22.png)
以上说法正确的是
您最近一年使用:0次
2022-12-29更新
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561次组卷
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2卷引用:四川省成都市第七中学2022-2023学年高三上学期12月阶段性测试数学(文)试题