2024高一下·江苏·专题练习
名校
解题方法
1 . 已知
,
是单位向量,
,
.若
,则
与
的夹角为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd8a052e56b53a66497b4b55a968a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc155e36276a2226c40a1f4ef7a0f41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece57d19c283a7f4b48f4508e2cf0e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00035d6debff98d6125a7f54b172dca2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c681b2c5fddb33c3b066ab49cb9afc42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd8a052e56b53a66497b4b55a968a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc155e36276a2226c40a1f4ef7a0f41a.png)
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名校
解题方法
2 . 已知平面向量
是非零向量,
,向量
在向量
方向上的投影向量为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b412a4b95e426951393de45fac3a7969.png)
______ ;向量
的夹角为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1297ff677af68f8aa89b255ded0e185c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c3a03cea1028f1ae01d9adc37322ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b412a4b95e426951393de45fac3a7969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
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3 . 已知点
为
所在平面内一点,若
,则点
的轨迹必通过
的________ .(填:内心,外心,垂心,重心)
![](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/61ae0103f3be5ec107104f7f62c2ad30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
解题方法
4 . 已知
,
是非零向量
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ee058d80bf1f695e71ad49beb81f81.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7958a6bddd1d578bbd6fbcb92e3f6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076a5954a138c685a5b2f3ec8205988a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a4536aee795e0fe74a860dc80c2b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ee058d80bf1f695e71ad49beb81f81.png)
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2024-03-02更新
|
1468次组卷
|
2卷引用:江苏省盐城市建湖高级中学2023-2024学年高一下学期学情检测(2月)数学试题(普通班)
名校
解题方法
5 . 设
,
为两个单位向量,且
,若
与
垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fc134d1b4c88ed1376aae74020b52b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42562737a6e46e2590cfc86663cb6ce1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fe7809a959ff5590f1f175ea85c5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2024-01-13更新
|
948次组卷
|
8卷引用:第9章 平面向量单元综合能力测试卷-【帮课堂】(苏教版2019必修第二册)
(已下线)第9章 平面向量单元综合能力测试卷-【帮课堂】(苏教版2019必修第二册)浙江省宁波市镇海中学2023-2024学年高一上学期期末数学试卷(已下线)6.2.4 向量的数量积-高一数学同步精品课堂(人教A版2019必修第二册)(已下线)专题1.3向量的数量积运算-重难点突破及混淆易错规避(人教A版2019必修第二册)(已下线)8.1.2向量数量积的运算律-同步精品课堂(人教B版2019必修第三册)(已下线)6.2.4 向量的数量积10种常考题型归类(2)-高频考点通关与解题策略(人教A版2019必修第二册)(已下线)6.2.4 向量的数量积——课堂例题(已下线)专题01 高一下期末真题精选(1)-期末考点大串讲(人教A版2019必修第二册)
名校
解题方法
6 . 已知平面向量,
满足
,
,
,则向量
,
夹角的余弦值为
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7 . 已知非零向量
满足
,
,则
在
方向上的投影向量的模为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/596fe31947a96c8d986012ff0dd64ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf342e77c56e55a35bb1151bc215a3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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2023-09-27更新
|
297次组卷
|
6卷引用:第9章 平面向量 章末题型归纳总结-【帮课堂】(苏教版2019必修第二册)
(已下线)第9章 平面向量 章末题型归纳总结-【帮课堂】(苏教版2019必修第二册)(已下线)专题04 向量的数量积-【寒假自学课】(苏教版2019)(已下线)6.2.4向量的数量积【第二练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)第6.2.4讲 向量的数量积与夹角(第1课时)-精讲精练宝典河北省保定市保定中学2023-2024学年高一下学期二调考试数学试卷云南省昆明市第一中学西山学校2022-2023学年高一下学期3月月考数学试题
名校
解题方法
8 . 已知点
在
所在的平面内,则下列
个结论中正确的有_________ .
①若
为
的外心,
,
,则
;
②若
为边长为
的正三角形,则
的最小值为
;
③若
为锐角三角形且外心为
,
且
,则
;
④若
,则动点
的轨迹经过
的外心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23b87028624f94da3b7d047cfdc19a7.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7a9bb8ba3d2ec7d9ccb5f6c76abfd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36965c4fa2678fe61578db7f38ac37c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a945b19a5442a7edfa8d0f1d4ef488da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e546a55ff4fd54c03d33ff9ba38845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023高一·全国·专题练习
解题方法
9 .
是
所在平面上的一定点,动点
满足
,
,
,则点
形成的图形一定通过
的____ .(填外心或内心或重心或垂心)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe67e5eebf7338a4353ce49610f6a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9f261650f6318b0403cd51c91ce15b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7ddb5245cbaa046b6e554dcb540a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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10 . 点
是平面上一定点,
、
、
是平面上
的三个顶点,
、
分别是边
、
的对角,以下命题正确的是_______ (把你认为正确的序号全部写上).
①动点
满足
,则
的重心一定在满足条件的
点集合中;
②动点
满足
,则
的内心一定在满足条件的
点集合中;
③动点
满足
,则
的重心一定在满足条件的
点集合中;
④动点
满足
,则
的垂心一定在满足条件的
点集合中;
⑤动点
满足
,则
的外心一定在满足条件的
点集合中.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
①动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194928662ef5170ec329fa0839e96810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
②动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94fea2c56ab9f6647c6db258339dcd10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
③动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce96819513072752d6e249249e85fe36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9419762aaaa13f5e3d708025729886c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
⑤动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84e151dfca1e1fd5b3cc4a18864227f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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