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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名校
解题方法
3 . 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)
2024·全国·模拟预测
名校
解题方法
4 . 已知向量
的夹角为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0234534ec22c9e617f267d4d811986.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc78b17778d59fe756c74770d682e77.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a3e7b8bba7bef88ea10d27a8163a6ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0234534ec22c9e617f267d4d811986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc78b17778d59fe756c74770d682e77.png)
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2024-01-18更新
|
645次组卷
|
7卷引用:江苏省金陵中学、海安中学、南京外国语学校三校2024届高三下学期5月联考数学试题
江苏省金陵中学、海安中学、南京外国语学校三校2024届高三下学期5月联考数学试题(已下线)2024届数学新高考学科基地秘卷(二)(已下线)高三数学开学摸底考02(新考法,新高考七省地区专用)(已下线)考点3 平面向量的数量积 --2024届高考数学考点总动员【练】(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)6.2.4 向量的数量积10种常考题型归类(1)-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——课后作业(基础版)
名校
解题方法
5 . 在
中
,点O在
所在平面内,且
,
,则
外接圆的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e899c486dc49e560fc4aca05e16835b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5c93513154e557bc53540191c8ae55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5d107c86e0f564e5a55084958b9554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023-11-23更新
|
591次组卷
|
3卷引用:江苏省苏州市南航苏州附中2024届高三上学期零模模拟数学试题
名校
解题方法
6 . 设椭圆
的上顶点为
,且长轴长为
,过
任作两条互相垂直的直线分别交椭圆
于
,
两点,则直线
过定点______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5fcce10d4243fb2a8351db179c2c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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7 . 设
,
分别是双曲线
的左、右焦点.若点P在双曲线上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757959fa7dd76eee8a0469dc1051918d.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e20ad2cc8c40de7cbff3d35e3bce77f.png)
_________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bc68d208cd5e0c90a32851faf3814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce67f2138e7295cd72d66b2908cb6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757959fa7dd76eee8a0469dc1051918d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e20ad2cc8c40de7cbff3d35e3bce77f.png)
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2023高一·全国·专题练习
解题方法
8 .
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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9 . 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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解题方法
10 . 如图,在正方形
中,
,点
为
的中点,点
在边
上.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b08895d449fc3930fb50c0fa5c2f072.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ac596b133c3846081b9b1aeffd7be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b08895d449fc3930fb50c0fa5c2f072.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/4/7af4863f-31cc-4949-957c-c0fd7945c54c.png?resizew=150)
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