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1 . 若圆心在x轴上、半径为
的圆O位于y轴左侧,且与直线x+2y=0相切,则圆O的方程是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-01-30更新
|
523次组卷
|
21卷引用:2014-2015学年辽宁省抚顺市重点高中协作校高一下期末考试数学试卷1
2014-2015学年辽宁省抚顺市重点高中协作校高一下期末考试数学试卷12014-2015学年辽宁省抚顺市重点高中协作校高一下期末考试数学试卷22015-2016学年江西省南昌十九中等三校高二上第一次联考数学试卷2010年普通高等学校招生全国统一考试(广东卷)文科数学全解全析2015-2016学年广东湛江一中高二上第二次考试理科数学卷2015-2016学年江西玉山一中高一下第一次月考理科数学卷2015-2016学年河北省定州中学高二6月月考数学试卷天津市红桥区2017-2018学年高二上学期期中考试数学(文)试题人教A版高中数学必修二综合学业质量标准检测2人教A版高中数学必修二4.2.1 直线与圆的位置关系宁夏青铜峡市高级中学2017-2018学年高一下学期期末考试数学试题安徽省滁州市定远县育才学校2019-2020学年高二(实验班)上学期第三次月考数学(文)试题宁夏石嘴山市第三中学2017-2018学年高一(创新班)上学期期末数学试题(已下线)广西柳州铁一中学2018-2019学年高二上学期段考数学科试题江苏省扬州市江都区大桥高级中学2019-2020学年高一下学期6月学情检测数学试题安徽省滁州市明光中学2020-2021学年高二上学期第一次月考数学(理)试题(已下线)专题10 解析几何(讲)-2021年高考数学二轮复习讲练测(新高考版)(已下线)专题10 解析几何(讲)-2021年高考数学二轮复习讲练测(文理通用)湖北省襄阳市第二十四中学2020-2021学年高二上学期9月月考数学试题内蒙古呼伦贝尔市满洲里市2022届高三三模数学(文)试题山东省新泰市第一中学老校区(新泰中学)2022-2023学年高二上学期第一次质量检测数学试题
2 . 已知直线
,
,平面
,
,且
,
,则“
”是“
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c62c14a017007a6bdfe25eada9c433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc16033924a8f670374b9d1563b81d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b74a581486715e857212704352ac01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b7a25f37563ba5fe47b4cf90326317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a83f03b6d4e8d5f078cd07906717f39.png)
A.充分不必要条件 |
B.必要不充分条件 |
C.充要条件 |
D.既不充分也不必要条件 |
您最近一年使用:0次
3 . 如图,多面体
中,
两两垂直,且
,
.
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/428c4d43dfea47be83522b427064a793.png)
(1)若点
在线段
上,且
,求证:
;
(2)求多面体
的体积.
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/5d49424641304360973598f237f08595.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/96b17ab801b9449b99e2a5f08c77bf44.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/254aa9284b5d494aa9455c13770771eb.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/3d73e6f24e6042bb8f5e72b82ef8dfa3.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/428c4d43dfea47be83522b427064a793.png)
(1)若点
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/e382c30bb6aa4c52baef0e9121650194.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/206d2d9c3c4141d9ad49dae5d13ae402.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/89653a46b99e4d18b6f76e8197c6256d.png)
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/eb99191592d94367906c2fef807963c8.png)
(2)求多面体
![](https://img.xkw.com/dksih/QBM/2016/3/2/1572510233698304/1572510239883264/STEM/5d49424641304360973598f237f08595.png)
您最近一年使用:0次
2016-12-04更新
|
616次组卷
|
2卷引用:2016届辽宁省抚顺市一中高三12月月考文科数学试卷
4 . 某四面体的三视图如图,正(主)视图、侧(左)视图、俯视图都是边长为1的正方形,则此四面体的外接球的体积为
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572395363672064/1572395368742912/STEM/9a58cf4752b64419a4909fedf6f5cac0.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572395363672064/1572395368742912/STEM/00db48bbc8f84c01ad90a2ea3c77a16f.png)
正(主)视图 侧(左)视图
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572395363672064/1572395368742912/STEM/6d7177e36cdd4c618755fbd684f61aaf.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572395363672064/1572395368742912/STEM/9a58cf4752b64419a4909fedf6f5cac0.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572395363672064/1572395368742912/STEM/00db48bbc8f84c01ad90a2ea3c77a16f.png)
正(主)视图 侧(左)视图
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572395363672064/1572395368742912/STEM/6d7177e36cdd4c618755fbd684f61aaf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 如图,多面体
中,
两两垂直,且
,
.
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/aeea932d4b204fb98a99bffb95204555.png)
(1)若点
在线段
上,且
,求证:
;
(2)求直线
与平面
所成的角的正弦值.
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/c881193ae45d4873a43169c07e5df0c3.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/729a0eef67de4f2f8d539a3476d5dbf5.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/6c76744c876941dc89894ce27c09cfeb.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/12b8a6a853e446a6a0953e85f448e807.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/aeea932d4b204fb98a99bffb95204555.png)
(1)若点
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/85442969590f4eb5b64958e47f3e458b.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/d03b6963a2ae41829f3e59214f149dd4.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/ed6423a3d38a4fd59351cf16f1289cd0.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/75422276b9eb493999b9636733bcf816.png)
(2)求直线
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/82583dad265f4a9a8b14b67fa94ec23c.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394861035520/STEM/ddf0ec13220d410789757c7e604ece07.png)
您最近一年使用:0次
6 . 某四面体的三视图如图,正(主)视图、侧(左)视图、俯视图都是边长为1的正方形,则此四面体的外接球的体积为
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394860707840/STEM/6efcb907a16f4aa79d8d1a7fe29baf26.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394860707840/STEM/1a775b185db1400ca2926494ddbe3213.png)
正(主)视图 侧(左)视图
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394860707840/STEM/9b9e5939ad17469cb8c92da09f8e863d.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394860707840/STEM/6efcb907a16f4aa79d8d1a7fe29baf26.png)
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394860707840/STEM/1a775b185db1400ca2926494ddbe3213.png)
正(主)视图 侧(左)视图
![](https://img.xkw.com/dksih/QBM/2015/12/24/1572394855587840/1572394860707840/STEM/9b9e5939ad17469cb8c92da09f8e863d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 在四棱锥P-ABCD中,底面ABCD是矩形,平面PAD
平面ABCD,
,
.
![](https://img.xkw.com/dksih/QBM/2015/11/17/1572293372780544/1572293378596864/STEM/c2e75eba63574accb552d604ba648fc0.png)
(Ⅰ)求证:平面PCD
平面PAB;
(Ⅱ)设E是棱AB的中点,
,
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4237f6a1fc115bb790aa10704b7908c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768d8ef623dc1a9d36aeaaeba90f93c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://img.xkw.com/dksih/QBM/2015/11/17/1572293372780544/1572293378596864/STEM/c2e75eba63574accb552d604ba648fc0.png)
(Ⅰ)求证:平面PCD
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4237f6a1fc115bb790aa10704b7908c3.png)
(Ⅱ)设E是棱AB的中点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee609b054fbb03695e23f4114639fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300c98d56960b83d1b850b1ca279a04b.png)
您最近一年使用:0次
8 . 已知菱形ABCD的边长为3,
,沿对角线AC折成一个四面体,使平面ACD垂直平面ABC,则经过这个四面体所有顶点的球的表面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830bcf6e86a7705279653c96e5c74a67.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 一个几何体的三视图如图所示,则该几何体的体积为
![](https://img.xkw.com/dksih/QBM/2015/11/17/1572293372780544/1572293378244608/STEM/419b1549c9334174937679db811a471f.png)
![](https://img.xkw.com/dksih/QBM/2015/11/17/1572293372780544/1572293378244608/STEM/419b1549c9334174937679db811a471f.png)
A.32 | B.18 | C.16 | D.10 |
您最近一年使用:0次
10 . 如图,多面体
中,底面
是菱形,
,四边形
是正方形且
平面
.
(1)求证:
平面
;
(2)若
,求多面体
的体积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ec435aa1401dbce7863b531bf2f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f84f169e50dc59d4f7a8e1e36f5c847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/259e1e00-a610-4560-9b94-39e93c59bb4e.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94270844f197d524bf1da4f1385befd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338c6c83ab4abc895ac36ab888a55be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
您最近一年使用:0次
2016-12-03更新
|
1732次组卷
|
8卷引用:2016届辽宁省抚顺市一中高三10月月考文科数学试卷