名校
解题方法
1 . 如图,在棱长为1的正方体
中,点
在侧面
内运动(包括边界),
为棱
中点,则下列说法正确的有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/35172246-ad30-4a32-96f3-aec18508fac1.png?resizew=165)
![](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/7253ffd3fc633d861810ee2e872188b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/35172246-ad30-4a32-96f3-aec18508fac1.png?resizew=165)
A.存在点![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2024-01-03更新
|
1436次组卷
|
6卷引用:贵州省铜仁第一中学2023-2024学年高二下学期2月开学适应性模拟检测数学试题
贵州省铜仁第一中学2023-2024学年高二下学期2月开学适应性模拟检测数学试题重庆市南开中学校2024届高三上学期第五次质量检测数学试题重庆市沙坪坝区南开中学校2024届高三上学期第五次质量检测数学试题江苏省扬州市扬州中学2024届高三上学期1月阶段性检测数学试题辽宁省沈阳市、大连市2023-2024学年高二上学期教学联盟大联考数学试题(已下线)第三章 空间轨迹问题 专题六 立体几何轨迹中的范围、最值问题 微点1 立体几何轨迹中的范围、最值问题【培优版】
名校
解题方法
2 . 球面三角学是研究球面三角形的边、角关系的一门学科.如图,球
的半径为
,
,
,
为球面上三点,劣弧
的弧长记为
,设
表示以
为圆心,且过
,
的圆,同理,圆
,
的劣弧
,
的弧长分别记为
,
,曲面
(阴影部分)叫做曲面三角形,若
,则称其为曲面等边三角形,线段
,
,
与曲面
围成的封闭几何体叫做球面三棱锥,记为球面
.设
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7874b563ba2f6954d767ef8d14942f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9569bb48ec5f56fb51930fe2fadd751.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb63917915784933ee066a41d455eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44acc0ee22dc4b7750e8be825e7c1355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4278c0911e7df78965e78cff69cac5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbec8352ce3dbfbf3b173045d0ba8f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9468931aa396efbdd7f50cc79f95f392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca45259311faa9f0a9cc61bc36b9a7c.png)
A.若平面![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若平面![]() ![]() ![]() |
您最近一年使用:0次
2024-02-23更新
|
1036次组卷
|
5卷引用:贵州省贵阳市清华中学2023-2024学年高二下学期4月月考数学试题
名校
解题方法
3 . 现准备给一半径为
的实心球体玩具制作一个圆台型带盖的纸质包装盒,要使制成的包装盒能装下该球体玩具,且该包装盒的下底面是半径为
的圆,则制成的包装盒的容积最小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd6f4250ca6b1b9bce234a01f00d44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095ab4a92bf822e175d370e6d0c8a730.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/01cbcbe2-203d-403e-bf58-0aedae50cda3.png?resizew=162)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-04更新
|
598次组卷
|
3卷引用:贵州省黔东南苗族侗族自治州2023-2024学年高三上学期九校联考(开学考)数学试题
名校
解题方法
4 . 正多面体又称柏拉图多面体,被喻为最有规律的立体结构,其所有面都只由一种正多边形构成,正多面体共有五种,它们分别是正四面体、正六面体、正八面体、正十二面体和正二十面体,连接棱长为2的正方体的六个面的中心,即可得到一个正八面体,则该正八面体的内切球的表面积为______ .
您最近一年使用:0次
2023-08-24更新
|
561次组卷
|
4卷引用:贵州省天柱民族中学2024届高三上学期第一次月考数学试题
贵州省天柱民族中学2024届高三上学期第一次月考数学试题(已下线)专题突破卷18 外接球和内切球云南师范大学附属中学2024届高三高考适应性月考卷(二)数学试题(已下线)考点7 组合体的内切 2024届高考数学考点总动员【练】
5 . 已知三棱锥
的四个顶点均在同一球面上,
,且三棱锥
的体积最大值为
,则该球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95e421d174b1eb752ecea737e78556b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ca820a456491348e72587e4fe10bc6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 如图,四棱锥
的底面为正方形,
底面
,
.设平面
与平面
的交线为
,点
为
上的点,
为
上的点.下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/313febc9-fd52-4df3-9e75-571d71fb85bd.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b624742fe28db114e0554c6c87bff05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/313febc9-fd52-4df3-9e75-571d71fb85bd.png?resizew=199)
A.![]() ![]() |
B.四棱锥![]() ![]() |
C.点![]() ![]() ![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
解题方法
7 . 如图点
分别是棱长为2的正方体
六个面的中心,以
为顶点的多面体记为八面体
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e7a32810fcb9158bfe72d69515c7b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e7a32810fcb9158bfe72d69515c7b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/00de4502-94a6-4108-9ac1-349ae88cc245.png?resizew=162)
A.四点![]() | B.八面体![]() ![]() |
C.八面体![]() ![]() | D.直线![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 《九章算术》中,将四个面都是直角三角形的四面体称为“鳖臑”,已知“鳖臑”
中,
平面
,
,
,
,则“鳖臑”
外接球体积的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829f9180ddd9aa1a0ee0dc520f4e0b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c4340dcffb0783d118a587e5352a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0f368dc09e739752d37586e12e4c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
您最近一年使用:0次
解题方法
9 . 下列物体中,能被整体放入底面直径和高均为1(单位:
)的圆柱容器(容器壁厚度忽略不计)内的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
A.直径为![]() |
B.底面直径为![]() ![]() |
C.底面直径为![]() ![]() |
D.底面边长为![]() ![]() |
您最近一年使用:0次
解题方法
10 . 直线
与抛物线
:
交于
两点,
,
在
的准线
上的射影分别为
,则四边形
绕准线
旋转一周所得几何体的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306b6e79f39d396ad32493c62224d8b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ceb92b88602f8623ee9b034e1f4fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.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/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda1320df95cd1ad00b6a7135e83b200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次