名校
解题方法
1 . 在矩形
中,
,
,若
,
分别在边
,
上运动(包括端点,且满足
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0311f60826d3e5299473006d21dc89e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3c34414e65788c8605c35890188248c.png)
您最近一年使用:0次
2018-02-01更新
|
200次组卷
|
5卷引用:江苏省泰州中学2018届高三12月月考数学试题
江苏省泰州中学2018届高三12月月考数学试题(已下线)2018年高考二轮复习测试专项【苏教版】专题四 平面向量江西省兴国县第三中学2020-2021学年高一(兴特班)下学期第三次月考数学试题河北省定州中学2018届高中毕业班上学期期末考试数学试题(已下线)《2018届优生-百日闯关系列》数学专题 二 第三关 以平面向量数量积相关的求值问题为背景的填空题
名校
2 . 如图,在同一平面内,点
位于两平行直线
,
的同侧,且
到
,
的距离分别为
,
.点
,
分别在
,
上,
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2868b617c871e18c928c9a573bc8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2868b617c871e18c928c9a573bc8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49de2536004d4f0819e781fffca41a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc927d876664cb2857a6fa14dfc9392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a9f2c46f88420d5b3a9562d90ce35f.png)
![](https://img.xkw.com/dksih/QBM/2016/6/23/1572804372144128/1572804378017792/STEM/9d941250318f405eaeb7e1d0642cf3c9.png?resizew=265)
您最近一年使用:0次
2016-12-04更新
|
367次组卷
|
3卷引用:2016届江苏省苏中三市高三第二次调研测试数学试卷
3 . 在等腰梯形
中,已知
,
,
,动点
和
分别在线段
和
上,且
,
,则
的最小值为_________ .
![](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/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c68e1a5d0b83244e2e2eb45bae2cab.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e513fd59e59bda50100de1b4571a235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd1b9ef59b41bcb03ad4a62ba5e75f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f651a0f32c32d43a5e629e6e3fd479.png)
![](https://img.xkw.com/dksih/QBM/2016/2/17/1572483334701056/1572483340648448/STEM/fbb912f2e4e94cdc9322866ce6d26c05.png?resizew=176)
您最近一年使用:0次
解题方法
4 . 在
中,已知
,
,
在
上,
,若
,则
的长是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2997d56e933559b51ff87ac8d07e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266f549097086333487afc0d06763c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2014·江苏盐城·三模
5 . 在
中,角
的对边分别为
,若
.
(1)求证:
;
(2)当
,
时,求
的面积
![](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/ce6df794797b2398a339319517c3bc8a.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1d5fd545ad966051d98b7ee0832015.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b46f8fd790b959d0ce74a6d8d884c951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6129fbf40a950fc8c516f0abaab21957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
12-13高三上·江苏盐城·阶段练习
6 . 在△OAB中,已知P为线段AB上的一点,若
,
,
,且
与
的夹角为60°,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa534f31f5d56d3f0b4cc3a29c1d630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811e40a3bb22a4ac38e4ff8c78077cec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612ced101f95eb7c9ea960cbff045dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eeb629a6f94d187154b9e0fba4eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987a2625dae99578e5c0e7b57d4a1c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ba7499bd7ef12d4be6a78d868d4800.png)
您最近一年使用:0次
7 . 在
中,
,
,D为AB边上的中点,则
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddf629bfb2d7b9daea6f2c1553360af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69550d878381f6e8fb436e88638f070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68d5fab76be5d73f357190f9d37f94a.png)
您最近一年使用:0次
解题方法
8 . 已知
外接圆
的半径为2,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9dd315a4f697285399eb924e7736116.png)
________ .
![](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/ce9754538592bb0fa6d128b47bd661ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e006eebe3391f4dd088dd25ae242d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9dd315a4f697285399eb924e7736116.png)
您最近一年使用:0次
11-12高一下·江苏淮安·阶段练习
9 . 已知
,
与
的夹角为
.求:
(1)
;
(2)
;
(3)若在
中,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059a8ea5cd70716f6e1b1a89288bd592.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/231b861d6d1f1d0b9f52b041cb40eb62.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6383c81ccdb670a050bdd222aa046ed2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ffc403ded5faedb326b83d5d3f69a30.png)
(3)若在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6619ea3f677ba564d9cfddd220577a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
13-14高三·江苏·阶段练习
解题方法
10 . 在平行四边形
中,已知
,
,点
分别在边
上,且
,
,若向量
与
的夹角为
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ed75e65e7374c38ffb1f75259a8beb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93949d8a15aca4e79cedb978590571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472cec16cb7e7e3f2f60c7364814e8ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a8e8e6b8dd3fb58ab3430d354f561b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd98a891fa65f2fc6688001b03185d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fdc83becc28e0f43d71427d9e8775d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bf2423499d45354dbc8377f1f04e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89f40b723898ad6c0238faf87d56621.png)
您最近一年使用:0次