名校
1 . 已知向量
,
,其中
,
,
,若
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21f9f9c6ae2d41b39849f5c74cbb09c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bde69caae910b382b6c89929a8a9a8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1081673ae9cc404c790ae769c1c40c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1b0ef6993cbc850eaa7b8075ae71a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270f886fe20d53a00c7596d320672cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4d070c5939bb0ec4a9d40d7e3c7d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2023-11-26更新
|
260次组卷
|
3卷引用:山东省日照市2024届高三上学期期中校际联合考试数学试卷
山东省日照市2024届高三上学期期中校际联合考试数学试卷山东省济宁市曲阜师大附中2024届高三上学期第五次教学质量检测数学试题(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】
2 . 已知向量
是单位向量,且
与
垂直,
与
的夹角为135°,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d6fce004c47849c29ebd8d5d7c16e98.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.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/6d6fce004c47849c29ebd8d5d7c16e98.png)
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名校
解题方法
3 . 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)
您最近一年使用:0次
2023-11-23更新
|
591次组卷
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3卷引用:山东省临沂市2023-2024学年高三上学期期中考试数学试题
4 . 若向量
,
是方向相反的单位向量,且向量
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88449ead0e93ab8cfc34b2ddcb16be5b.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/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff76586ff12abb4ce330769972edbcc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88449ead0e93ab8cfc34b2ddcb16be5b.png)
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名校
5 . 已知向量
,
满足
,
,
与
的夹角为
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c285cb5f8c3e4de6da38c23406422d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eca8fb20438505791369da9abe4a804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906ba2f77db39a6e782935af29ee17a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd48b07a618ad874d0056de5df5a5033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2020-08-07更新
|
277次组卷
|
4卷引用:山东省济南市莱芜第四中学2020-2021学年高三上学期期中数学试题
6 . 已知平面向量
,
满足
,
,
与
的夹角为
,若
,则实数
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deae5171eb718a10261d9b632aa7c2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcb140aa73fbe827043dca511ea1335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d580387905b76535f016325ccb6a669a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62c03da1e83dba1ac2532095d7dcf23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deae5171eb718a10261d9b632aa7c2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcb140aa73fbe827043dca511ea1335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84288b493b64c3a30466fb9075621da4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8533aba1a5463ebba51131ed5acc7a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
7 . 已知向量
与
的夹角为
,且
,若
,且
,则实数
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be64d59ac6538a0f4d79fb825e082081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c975a64d7d9c301859b7971dc8b4a97b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49acee3c19513ec7725415a82240da76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e1e896a8ba059c54adb4bed1e2ade6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2017-11-20更新
|
631次组卷
|
5卷引用:山东省德州市2018届高三上学期期中考试数学(理)试题
山东省德州市2018届高三上学期期中考试数学(理)试题(已下线)2021年秋季高三数学(文)开学摸底考试卷02(已下线)2021年秋季高三数学(理)开学摸底考试卷02安徽省六安市舒城中学2021-2022学年高二上学期第一次月考数学试题河南省焦作市温县第一高级中学2021-2022学年高二上学期开学考试理科数学试题