1 . 如图,在
中,
,
分别在
上,且
,点
为
的中点,则下列各值中最小的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372629a8666de1e9bac3e7daadcac7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa57cd088f4f852336aca36d87566c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce072bcd423b56c827e40f0b731de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-07-06更新
|
666次组卷
|
5卷引用:四川省绵阳市高中2024届高三突击班第零次诊断性考试理科数学试题
四川省绵阳市高中2024届高三突击班第零次诊断性考试理科数学试题浙江省嘉兴市2022-2023学年高一下学期期末数学试题(已下线)6.4.1 平面几何中的向量方法-同步精品课堂(人教A版2019必修第二册)广东省东莞市嘉荣外国语学校2023-2024学年高一下学期3月月考数学试卷(已下线)重组4 高一期末真题重组卷(浙江卷)A基础卷
名校
解题方法
2 . 在
中,角
所对的边分别
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7522cbdad3fba2593943de9a0a360f8.png)
(1)求角A的值;
(2)已知
在边
上,且
,求
的面积的最大值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7522cbdad3fba2593943de9a0a360f8.png)
(1)求角A的值;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d0bf5c85f11d5c90d64c9a5a4724f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-04-26更新
|
3844次组卷
|
11卷引用:四川省遂宁市2023届高三三诊考试数学(理)试题
四川省遂宁市2023届高三三诊考试数学(理)试题四川省遂宁市2023届高三第三次诊断考试数学(文)试题广西玉林市北流市2023届高三年级教学质量检测数学(理)试题广西玉林市北流市2023届高三年级教学质量检测数学(文)试题(已下线)第4讲 解三角形(2) - 《考点·题型·密卷》湖南省岳阳市平江县2022-2023学年高一下学期期末数学试题浙江省绍兴市奉化区2022-2023学年高一下学期期末数学试题云南省福贡县第一中学2022-2023学年高一(重点班)下学期第二次月考数学试题(已下线)专题08 解三角形-2甘肃省民勤县第一中学2022-2023学年高一下学期第二次月考数学试题山东省菏泽市2023-2024学年高三上学期11月期中考试数学试题(B)
解题方法
3 . 如图,在梯形
中,
,
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d829e1e4e92479ee7ee91316a1020df8.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd8e727e4efc22b49649f71ae9c9d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae8221601c7bd5c51fd520615581fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d829e1e4e92479ee7ee91316a1020df8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/05336e4f-f7ab-46f1-bd33-7db379ff65aa.png?resizew=266)
您最近一年使用:0次
名校
4 . 在
中,点
为边
上一点,
,且
,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526908dfb46cf151b8ab1492a9d52047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5bedeea5b436290003312868378fb32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7516a785d42517bd99c7cda7ccda4a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdf26292f2316f135fdd07a8269ee7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c3f5e5809018111749c796433c590ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cea6525499c34a4a077d04a170cc4d.png)
A.5 | B.![]() |
C.![]() | D.3 |
您最近一年使用:0次
2020-12-15更新
|
866次组卷
|
8卷引用:四川省遂宁市2021届高三零诊考试数学(文)试题
四川省遂宁市2021届高三零诊考试数学(文)试题四川省遂宁市2021届高三零诊考试数学(理)试题四川省遂宁市射洪中学校2020-2021学年高三上学期期中数学文科试题(已下线)调研测试四(A卷 基础过关检测)-2021年高考数学(理)一轮复习单元滚动双测卷(已下线)热点07 平面向量、复数-2021年高考数学【热点·重点·难点】专练(新高考)(已下线)专题6.3 平面向量的基本定理及坐标表示(B卷提升篇)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材人教A版,浙江专用)江西省上高二中2021届高三年级第五次月考数学(文)试题(已下线)押全国卷(理科)第3,14题 常用逻辑用语与平面向量-备战2022年高考数学(理)临考题号押题(全国卷)
名校
解题方法
5 . 已知
的一个内角
,
,
,
为
所在平面上一点,满足
,设
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d3cf34df50e05d816d19ea1b3024a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed01d6c72e77fa39656af0333cc252d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0946479c941fbedaec12db71df4db991.png)
您最近一年使用:0次
2020-08-04更新
|
596次组卷
|
9卷引用:【全国百强校】四川省棠湖中学2019届高三二诊模拟数学(理)试题
【全国百强校】四川省棠湖中学2019届高三二诊模拟数学(理)试题【全国百强校】四川省成都市棠湖中学2019届高三二诊模拟数学(文)试题【市级联考】山东省临沂市2019届高三2月教学质量检测理科数学试题(已下线)【全国百强校】河北省衡水中学2019届高三下学期三模试卷数学(理科)试题四川省德阳市罗江中学校2021-2022学年高一下学期3月月考数学试题四川省泸州高级中学校2022届高三五月月考数学(理)试题河北省衡水中学2019-2020学年高三下学期七调数学(理)试题(已下线)专题07 平面向量——2020年高考真题和模拟题理科数学分项汇编(已下线)专题07 平面向量——2020年高考真题和模拟题文科数学分项汇编
名校
6 . 如图,已知
为圆
的一条弦,且
,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9648ecad4382f88b428d6c4f2052aea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7db6bf46cdcd6b8235220c5a29e5ed85.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/503d8836-d932-4d58-a291-74a788502563.png?resizew=133)
您最近一年使用:0次
2019-05-27更新
|
891次组卷
|
2卷引用:【市级联考】四川省宜宾市2019届高三第三次诊断性考试数学(理)试题
解题方法
7 . 如图,在直角梯形
中,
,
∥
,
,
,图中圆弧所在圆的圆心为点C,半径为
,且点P在图中阴影部分(包括边界)运动.若
,其中
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b09f34fb06ae90a8d7b1a25ea01645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57766a96c4b7e39bc224fa5917c6be22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c8c6f878eeb122aefb3587013d141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3494de81f05fca205a5970af105109f2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2011·四川成都·一模
8 . 在
中,角A,B,C的对边分别为
,
,
,AH为BC边上的高,给出以下四个结论:
①
;
②
;
③若
,则
为锐角三角形;
④
.
其中所有正确结论的序号是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f118d46e20e67fa5372ede6e5a396f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14fe6084a57024d1201bef2491d7a24b.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c9877e9a2ec72b4dad5ad449da96be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8a16bf5b2ab91962d0861d261e9e7f.png)
其中所有正确结论的序号是
您最近一年使用:0次
9 . 在平面内,定点
,
,
,
满足![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/f089667a87164fdaa8586f7296b7c033.png?resizew=75)
,![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/de53711608eb4962ac96f7c25b5d6574.png?resizew=133)
,动点
,
满足
,
,则
的最大值为__________ .
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/3fc31cc5ff3442f3a6df1252c303dd08.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/d54681289a4a4455954530cea3453065.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/524320553e0f49e1b7e46b4d0f18bebe.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/e6c913fbae9748ee82376db95b293ce0.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/f089667a87164fdaa8586f7296b7c033.png?resizew=75)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/31294e674d3d4d31a4bfeca793bed317.png?resizew=69)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/de53711608eb4962ac96f7c25b5d6574.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/558924a0713e4fcd9d248fd544189d82.png?resizew=97)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/16d64912ac39481e9d700f39f16302cd.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/4c347c3fb1184a83ab962cb10bfde4fd.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/38d3f4fa9e4540a8a0877bf2045899ff.png?resizew=52)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/03dd62fedfc143b08329489faa15ef7d.png?resizew=72)
![](https://img.xkw.com/dksih/QBM/2017/4/27/1674916910194688/1679661056770048/STEM/aeeeb35354f04d7a8228a53787d06647.png?resizew=41)
您最近一年使用:0次
10 . 已知
是
内一点,且
,
,若
、
、
的面积分别为
、
、
,则
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b1e8bf467d5fa7b4f030b18f26296c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4020513c097ba34df4b42e297f892cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3e2b2689dfe97ec82d473ab6cf469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40c49d6e2fc6fbdc21ff61841b586a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/f257b71e2b7886aadf7f1ebc809c10b1.png)
A.9 | B.16 | C.18 | D.20 |
您最近一年使用:0次