名校
1 . 已知正
的边长为1,中心为
,过
的动直线
与边
,
分别相交于点M、N,
,
,
.
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5dc34f1eb0f29b09e027a1f69479972.png)
________ .
(2)
与
的面积之比的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc6bd78eaf4e6b4a904b9850392fcf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323f0075c96990706da0ba1d81c91ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18bf5477ab809cf5b133a045b0ea8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e07c611d39260a3160ef7380df0fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5dc34f1eb0f29b09e027a1f69479972.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-09-12更新
|
649次组卷
|
3卷引用:湖北省沙市中学2022-2023学年高一下学期期中数学试题
2 . 如图,在平行四边形
中,
,
,
,延长
交
于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2165c8ce18a24734f6a59cf60c755d5b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80f51c31583fea58fde645474d60b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bbaccd578a43b2397c8bdd50592fa07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eab5cafca46c65bd4fd500134821b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2165c8ce18a24734f6a59cf60c755d5b.png)
![](https://img.xkw.com/dksih/QBM/2023/4/28/3226149216370688/3262383766183936/STEM/ba5e187124814ed8959955896317e548.png?resizew=189)
您最近一年使用:0次
名校
3 . 在
中,角A,B,C所对的边分别为a,b,c,且
.
(1)求A;
(2)已知
,若
且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df5f6dbad121314d552787e523052a4.png)
(1)求A;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67bc449b137e69f6b649f8e32e4a3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918e8601b393c57a52bfe8d72831f20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-02-05更新
|
1493次组卷
|
5卷引用:湖北省沙市中学2022-2023学年高一下学期期中数学试题
湖北省沙市中学2022-2023学年高一下学期期中数学试题江西省赣州市2021届高三上学期期末考试数学(文)试题天津市静海一中2020-2021学年高一下学期3月学生学业能力调研数学试题(已下线)精做01 三角函数与解三角形-备战2021年高考数学(文)大题精做天津市第五十五中学2022-2023学年高一下学期3月月考数学试题
名校
4 . 如图,在平面四边形
中,
,
,
,
,
、
分别是
,
的中点,
为线段
上一点,且
.设
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/21/86d9effa-030e-4033-81ec-e422e76bc569.png?resizew=187)
(1)若
,以
,
为基底表示向量
与
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d730ae4307db56b47849c3a19dedfb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f121eabff3c62c1a196d9ca5f6f83f0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eee296a7d9fba487f1485c61580196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf4ec2987f0a536119cbae7bd3e0213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b54aa2b7f9adf409f0ce8e00615432.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/21/86d9effa-030e-4033-81ec-e422e76bc569.png?resizew=187)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1c3ea872a20fdc1843cb5ffce8a554.png)
![](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/84b8a2a41a8b50e10d68943e3f0f4e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568ed82f6aba5e5e5f896de9571233c7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb6bf23a5a12e1ba5413594d7b1a57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e73380e6dc09aa00aa6738eeb46df5.png)
您最近一年使用:0次
2022-07-15更新
|
869次组卷
|
6卷引用:湖北省沙市中学2022-2023学年高一下学期5月月考数学试题
湖北省沙市中学2022-2023学年高一下学期5月月考数学试题河北省邯郸市2021-2022学年高一下学期期末数学试题江苏省如皋市长江高级中学、淮安市南陈集中学2022-2023学年高一下学期3月联考数学试题(已下线)9.3.1 平面向量基本定理-【题型分类归纳】2022-2023学年高一数学同步讲与练(苏教版2019必修第二册)(已下线)6.3.1 平面向量基本定理(精讲)-【题型分类归纳】2022-2023学年高一数学同步讲与练(人教A版2019必修第二册)(已下线)期末专题04 平面向量大题综合-【备战期末必刷真题】
名校
解题方法
5 . 如图,已知等腰
中,
,
,点
是边
上的动点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f0c1c9cca0555906d8a53e1a6803d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.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/f43248ee9e11da124aefabf4b9d6e7fa.png)
A.为定值10 | B.为定值6 |
C.最大值为18 | D.与P的位置有关 |
您最近一年使用:0次
2020-04-30更新
|
1713次组卷
|
14卷引用:湖北省荆州市石首市2021-2022学年高一下学期期中数学试题
湖北省荆州市石首市2021-2022学年高一下学期期中数学试题湖北省武汉市2019-2020学年高一下学期期中数学试题广西南宁市第三中学2019-2020学年高一期中段考数学试题福建省福州第一中学2020-2021学年高一下学期期中考试数学试题浙江省嘉兴市第五高级中学2020-2021学年高一下学期3月月考数学试题湖南省益阳市2022届高三下学期3月调研考试数学试题广东省广州市仲元中学2021-2022学年高一下学期期中数学试题(已下线)考点09 解三角形-1-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)江苏省南京航空航天大学附属高级中学2022-2023学年高一下学期期中数学试题江苏省镇江市扬中市第二高级中学2022-2023学年高一下学期期中模拟数学试题广东省东莞松山湖未来学校2022-2023学年高一下学期期中数学试题(已下线)第三节 平面向量的数量积及应用(讲)专题01平面向量(第一部分)(已下线)模块四 期中重组卷3(江苏苏锡常镇)(苏教版)
名校
解题方法
6 . 已知
为椭圆
上任一点,过
作圆
的两条切线
,
,切点分别为
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30a84472b64a6b502d3fa87ec8f4dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942220241f5cee4067da3b4acfa645e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308d43f6d98bb625ea4dfc833847a02c.png)
A.0 | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-02-16更新
|
835次组卷
|
3卷引用:湖北省圆创联考2022届高三下学期2月第二次联合测评数学试题
湖北省圆创联考2022届高三下学期2月第二次联合测评数学试题(已下线)思想01 函数与方程思想(讲)--第三篇 思想方法篇-《2022年高考数学二轮复习讲练测(浙江专用)》湖北省郧阳中学、恩施高中、随州二中、襄阳三中2022-2023学年高二下学期五月联考数学试题
名校
解题方法
7 . 已知边长为1的菱形
中,角
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6ad7acdec68cdb1e581f61c8bc7dc2.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0fbe1528ae828ee85eb6a96d35eabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc6ad7acdec68cdb1e581f61c8bc7dc2.png)
您最近一年使用:0次
名校
8 . 已知向量
,若
,则
在
上的投影是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b5596de0a3ba14049be177f55587e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538c51a9b7303e756b71ca6338e866ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-04-28更新
|
1587次组卷
|
7卷引用:湖北省荆州中学2021-2022学年高三上学期期末数学试题
名校
9 . 如图所示,半圆的直径
,
为圆心,
是半圆上不同于
、
的任意一点,若
为半径
上的动点,则
的最小值是___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4892101126142bf05cb84a781489a8b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/19e5e26d-a20b-439f-a34f-2029043da4dc.png?resizew=167)
您最近一年使用:0次
2021-11-27更新
|
1127次组卷
|
5卷引用:湖北省荆州中学2021-2022学年高一下学期6月月考数学试题
湖北省荆州中学2021-2022学年高一下学期6月月考数学试题湖南省益阳市箴言中学2021-2022学年高三上学期第三次模拟考试数学试题山东省烟台市莱州市第一中学2021-2022学年高三上学期12月月考数学试题(已下线)第28讲 平面向量范围与最值问题-2022年新高考数学二轮专题突破精练安徽省滁州市定远县民族中学2022-2023学年高三上学期12月月考数学试题
名校
10 . 下列命题不 正确的是( )
A.若![]() ![]() ![]() ![]() | B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() | D.若![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-04-07更新
|
687次组卷
|
3卷引用:湖北省荆州市公安县车胤中学2021-2022学年高一下学期3月月考数学试题