2024高一下·江苏·专题练习
1 . 如图,在梯形
中,
.点
在阴影区域(含边界)中运动,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9d43c6acfdda84cac234f192c0b74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4452db7f56b15dbeb9bddb30740eb07e.png)
您最近一年使用:0次
18-19高三下·浙江·阶段练习
解题方法
2 . 已知平面向量
满足
,若对任意共面的单位向量
,记
的最大值为
,则
的最小值等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f0eae4c9fee9d27df54eb67e1eac69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56eda4bb8604c18d0016a4377d05435a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f48bae5264791d256558c39d8f2369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
解题方法
3 . 设向量
,
满足
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de92356d8c57c0ab46327a99f524986f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5384095ef329894e9076b2aa18ce880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc77bee6812b865ff7dd78323bab1e37.png)
A.2 | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知
,
,且向量
与
的夹角为
,又
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ba75183fb92dfb78bf3d70cb4585a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c300283813c08072d553b5161eb6f73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfde0038de382d2be9701cea23ef7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329fdf7d989f77a32ca9e0361a9cc956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edeac0438ab40d96c47688e75e0b73cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955956d356f255db3c25500605514cbb.png)
您最近一年使用:0次
2017-06-04更新
|
807次组卷
|
3卷引用:2017-2018学年第一学期期末复习备考之精准复习模拟题高一江苏版数学试题(C卷)
(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高一江苏版数学试题(C卷)江苏省盐城市阜宁县2016-2017学年高一下学期期中考试数学试题山东省泰安肥城市2022届高三下学期5月高考适应性训练数学试题(三)
2018高三·江苏·专题练习
5 . 已知正三角形ABC的边长为2
,圆O是该三角形的内切圆,P是圆O上的任意一点,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a33e5d0dbdd0f15854f0d7dd8b53058.png)
您最近一年使用:0次
名校
解题方法
6 . 在平行四边形ABCD中,边
,
,
,若M,N分别是边BC,CD上的点,且满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c144e9b7986f74a0e45eff488b1304.png)
.
(1)当
时,若
,求
;
(2)试求
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbf31dfd36aa456a63bafea8bc1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c144e9b7986f74a0e45eff488b1304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd2e48341bf9ce1d6ba26b31616f97b0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a2a34b4317deffa40ba34e269c2b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a42b8a4e130af974aa5ebfc487fbe8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
(2)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd92ed9c7d216873545ea59101b6ce1b.png)
您最近一年使用:0次
名校
7 . 在
和
中,
是
的中点,
,若
,则
与
的夹角的余弦值等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3681ac28df727a90c72f7e7846e490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6019319e6a7225bc8dd26abc6bd14c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b5a51e65e9b56a9970de33ead263a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d792a2aa25763e14cc2863be3887000.png)
您最近一年使用:0次
2018-03-07更新
|
322次组卷
|
4卷引用:2018年高考二轮复习测试专项【苏教版】专题四 平面向量
(已下线)2018年高考二轮复习测试专项【苏教版】专题四 平面向量浙江省杭州高级中学 2017 届高三2月高考模拟考试试题全国高中数学联赛模拟试题(二十四)上海交通大学附属中学2021-2022学年高二下学期开学考数学试题
8 . 已知
为直线
:
上两动点,且
,圆
:
,圆
上存在点
,使
,则线段
中点
的横坐标取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4557bca797ebc9a2e22ffeab8a6b9f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff154bd7004c73b11904ae567b6cc82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
解题方法
9 . 如图,在四边形ABCD中,
,
,
,则对角线BD的长为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568e312f0c03d1943f063fae3060021c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8873ce304428486a37635b5562a91b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eb7ea8774c5b5abcdfebc68767655f9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/22d9af70-a003-4801-b717-45c1de1e71f5.png?resizew=150)
您最近一年使用:0次
2014·江苏徐州·三模
10 . 如图,在△ABC中,已知∠BAC=
,AB=2,AC=3,
,
,则BE=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59125a0220d722e4bcab5c7caf9cbbef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8118b2ecf4ab59ffa912aeaafc5e982.png)
您最近一年使用:0次