11-12高三上·浙江杭州·阶段练习
1 . 如图,四边形
是边长为1的正方形,
,点
为
内(含边界)的动点,设
,则
的最大值等于______________
![](https://img.xkw.com/dksih/QBM/2014/5/20/1571726945140736/1571726950834176/STEM/0d56a4a006ca4b1ab499dd43e33bb380.png?resizew=47)
![](https://img.xkw.com/dksih/QBM/2014/5/20/1571726945140736/1571726950834176/STEM/6acf6f9c01354bdc91abd6dea35ff0a7.png?resizew=52)
![](https://img.xkw.com/dksih/QBM/2014/5/20/1571726945140736/1571726950834176/STEM/31e84a1a0ed343af9b61b1faab78eb56.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2014/5/20/1571726945140736/1571726950834176/STEM/7c5cf447ccd4453386dfb114071636a0.png?resizew=47)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1519fed35d9ec56fd350f880a1b06e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
![](https://img.xkw.com/dksih/QBM/2014/5/20/1571726945140736/1571726950834176/STEM/b876718f16764724b60c3c85408ba0cd.png?resizew=208)
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10-11高一下·安徽蚌埠·期中
2 . 在
中,
分别为三个内角
所对的边,设向量
,若向量
,则角
的大小为
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222610358272/1572222615953408/STEM/27a7e005859c4332b82a307834dcda9e.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222610358272/1572222615953408/STEM/ff8325ab90a14a5baced90e1e8167299.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222610358272/1572222615953408/STEM/669f5e335f004d35a590c47f141c63c7.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222610358272/1572222615953408/STEM/4e45563d549d473b90cfd09853bf2b73.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222610358272/1572222615953408/STEM/67c88ad151544b2bbf29388e9846156b.png)
![](https://img.xkw.com/dksih/QBM/2015/8/27/1572222610358272/1572222615953408/STEM/fd9876a16e3f4bad95e56ef321b45c1e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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3 . 过圆
上一点作切线与
轴,
轴的正半轴交于
两点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.![]() | C.2 | D.3 |
您最近一年使用:0次
2016-11-23更新
|
278次组卷
|
3卷引用:江西省南昌市实验中学2017-2018学年高二上学期期中理科数学试题
4 . 在四边形ABCD中,
,
,则该四边形的面积为
![](https://img.xkw.com/dksih/QBM/2016/9/12/1573013167431680/1573013173149696/STEM/68bc2b238f6d48158a632e1fd9b4313e.png)
![](https://img.xkw.com/dksih/QBM/2016/9/12/1573013167431680/1573013173149696/STEM/fed6ed05221942938e9e9e085afa670e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
的三个顶点A、B、C及平面内一点P,且
,则点P与
的位置关系是
![](https://img.xkw.com/dksih/QBM/2016/9/8/1573008137854976/1573008143581184/STEM/08516d9bd1374057a1d094d460b7bd1b.png)
![](https://img.xkw.com/dksih/QBM/2016/9/8/1573008137854976/1573008143581184/STEM/d79f888771ef4fa4aa374cfc2f198c3e.png)
![](https://img.xkw.com/dksih/QBM/2016/9/8/1573008137854976/1573008143581184/STEM/08516d9bd1374057a1d094d460b7bd1b.png)
A.P在AB边上或其延长线上 |
B.P在![]() |
C.P在![]() |
D.P在AC边上 |
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6 . 已知向量
,则函数
的最小正周期与最大值分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941e984bbbb651b4af4b0b2853f8e3f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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