解题方法
1 . 已知向量
与
的夹角是
,且
,
,则向量
在向量
上的投影向量是( )
![](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/290710d643ab6cd3b9edd73815b1d8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0ae443a505d263c44a3d7515fd0170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fa8ea29001bb1f0c1e5157aff2fca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知平行四边形
中,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a636af185de5aebf115a28b1e205d88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-14更新
|
299次组卷
|
3卷引用:陕西省西安市第一中学2024届高三下学期高考预测数学(文科)试题
24-25高一上·全国·课后作业
3 . 若
且
,则
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa8f7351f41cbfc74f99de51c752ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6e8e539b10975174077d1fbf8d8099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fbeefcb60bff9eab8243d3b4931123.png)
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4 . 如图,圆
,圆
,动圆
与圆
外切于点
,与圆
内切于点
,记圆心
的轨迹为曲线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f09301f91879129399c1ba45635f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3e7ea39906456429384362b6d037ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() |
D.曲线![]() ![]() ![]() |
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5 . 某热爱飞镖的小朋友用纸片折出如图所示的十字飞镖,该十字飞镖由四个全等的四边形拼成,在四边形ABCO中,
,
,
,
,点P是八边形ABCDEFGH内(不含边界)一点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c54276d36db232bc3ae6327f757241c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969e25f8cf051584c6c79c4dd118451c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22561aed918fb4e06c70357bfeda918f.png)
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解题方法
6 . 如图,已知正六边形
的边长为4,对称中心为O,以O为圆心作半径为2的圆,点M为圆O上任意一点,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285250fe6d502398ca29b81dd6544d9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024高三·全国·专题练习
解题方法
7 . 记
,
,设
为平面向量,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c851365039507150168886ea797d85a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c3971685475ce34445094623b311d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c16fea1d48964587131e3e09b2a33b.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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2024·全国·模拟预测
8 . 已知
是两个单位向量,若
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2ee07387e5a9fedc4d06b55f3894d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750335e0a1896eb270407e86335a85a2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 已知
是边长为4的等边三角形,AB为圆M的直径,若点P为圆M上一动点,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0eac8fe51c96b1a54bc4779c5ab590.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 已知⊙C的半径为1,
是⊙C的一条弦,且
,点
是
上一动点,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83b9f01e806bf74042ba41b26423022.png)
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