名校
1 . 等边△
的外接圆的半径为1,M是△
的边AC的中点,P是该外接圆上的动点,则
的最大值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6594a86347605b93f25721fcc3101a81.png)
您最近一年使用:0次
名校
解题方法
2 . 在
中,
,
,
是边
的中点.
为
所在平面内一点且满足
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab848c628cfabde59364fb3ca4eefc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7303c87450556d843173ea6710ae9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-19更新
|
1219次组卷
|
8卷引用:江苏省苏州市星海实验中学2020-2021学年高一下学期期中数学试题
解题方法
3 . 已知
是圆O的一条直径,且
,C,D是直径
同侧的半圆弧上两个三等分点,其中C是靠近A的三等分点.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f80d962e2c9b1ef74a79916f32a497.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fa962c0944d4ed4a49e2246446190f.png)
您最近一年使用:0次
解题方法
4 . 如图所示,设
,
是平面内相交成
角的两条数轴,
分别是与
轴,
轴正方向同向的单位向量,若向量
,则把有序数对
叫做向量
在坐标系
中的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/13/e091faf0-2a9b-4be6-8697-40156d44a8f4.png?resizew=160)
(1)设
,
,求
的值;
(2)若
,计算
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14069d21d32c724f0ebe3e311f114c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111939547e581e8bf029a241b9e9cb05.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/6df79af81dece28531b2b13a70a73dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/13/e091faf0-2a9b-4be6-8697-40156d44a8f4.png?resizew=160)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed90ebf0061c8a79beed307fc1719a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c477662c046daefe58026249658b6d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/297bc912cb09546db07e4fb6be67af40.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffcb876f9f0622dccf5d970c7665b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f0e6d3115e900f1a359ec4f894e8896.png)
您最近一年使用:0次
2022-06-13更新
|
555次组卷
|
2卷引用:江苏省苏州市八校2022-2023学年高一下学期综合质量监测(期末联考)数学试题
解题方法
5 . 在边长为1的正方形ABCD中,M为边BC的中点,点E在线段AB上运动,则
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f095499861ad6c86e3d144f4fde96768.png)
A.![]() | B.1 | C.2 | D.3 |
您最近一年使用:0次
2022-04-19更新
|
343次组卷
|
2卷引用:江苏省苏州外国语学校2021-2022学年高一下学期期中数学试题
名校
解题方法
6 . 如图,在
中,已知D,E分别是
的中点,
,
与
交于点O.
![](https://img.xkw.com/dksih/QBM/2021/6/30/2754370026708992/2780924597166080/STEM/7f816622f7194cac99017bf496f0678a.png?resizew=270)
(1)若
,求
的值;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6877751384616819a8ddeef96c4133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d26f0fa3d1b5a030168a2046669634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/2021/6/30/2754370026708992/2780924597166080/STEM/7f816622f7194cac99017bf496f0678a.png?resizew=270)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fa962c0944d4ed4a49e2246446190f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505231d55e01bd2df62a25715c079fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2021-08-07更新
|
516次组卷
|
2卷引用:江苏省苏州市2020-2021学年高一下学期学业质量阳光指标调研卷数学试题
解题方法
7 . 已知
满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e3fc39d2b508cc1cae769a5e7266c0.png)
___________ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4995ec65d0748dfeedc9068e0a5f2c.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ed8056d60427c40ee8aabc6b37d74a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24397614f7ddd1d7260aa7d3c2309510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e3fc39d2b508cc1cae769a5e7266c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd2d9dc6872ed14cc33ce6619c59a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4995ec65d0748dfeedc9068e0a5f2c.png)
您最近一年使用:0次
解题方法
8 . 已知圆
经过
,
,
.
(1)求圆
的标准方程;
(2)若点
,点
是圆
上的一个动点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d4bdd52197f8bf9cc8aeab09ae941ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0ea47fff612998a2fe60a74ed5b7c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee36f9d49342d9a457832d1ecce6c49.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20fd70d7820aeb16c17f636188d97534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d1af8e2b24c354c3c6ea1abdfbf6d.png)
您最近一年使用:0次
2021-11-17更新
|
442次组卷
|
3卷引用:江苏省苏州市2021-2022学年高二上学期期中数学试题
江苏省苏州市2021-2022学年高二上学期期中数学试题2023版 苏教版(2019) 选修第一册 突围者 第2章 第一节 圆的方程(已下线)专题05 直线与圆综合大题18种题型归类-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)
名校
9 . 已知
是
的垂心(三角形三条高所在直线的交点),
,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714079593881de148bd602ad21818c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5cb63aeea0b37799404c8fec092b21d.png)
您最近一年使用:0次
2020-02-27更新
|
704次组卷
|
3卷引用:江苏省星海实验中学2020-2021学年高一下学期3月月考数学试题
名校
10 . 已知向量
,
满足
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f18996bd00253c3ad9f91780103affb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2238fed11afcdec1a11962a9427deb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4864dd1002c57c47e9a9816fbc0cf968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987ba7d55767bb3129b5316c82730dde.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次