如图,在等边三角形
中,
,点
为
的中点,点
是边
(包括端点)上的一个动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f06233da1e067a94c5abfeeee6dcdbf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/7/a1f01286-b2a7-401b-85dc-5a2f2bd0f939.png?resizew=139)
更新时间:2023-08-07 15:41:22
|
相似题推荐
填空题-单空题
|
较易
(0.85)
真题
名校
【推荐2】在边长为1的等边三角形ABC中,设
=2
=3
,则
=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d63e57f893ff7942d98e50e8a26d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d64870628ba07a50143cc65ceaf74fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d104e96dda7ba61b6687d3bc99fe4ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0613446e5a9be4c8e05f2496b2321c.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】在
中,若
,
,
,
,则
的面积为__ .
![](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/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7366dece62e5d429c30331ad31aaedbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0977b2e60de726d780b9aaa53c54b0cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
填空题-双空题
|
较易
(0.85)
名校
【推荐2】已知
是平面
上一点,
,
.
①若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9cd3a6d84c7d662db002bd58d9e2a5.png)
____ ;
②若
,则
的最大值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7cad5d540488b66699a2cc72b882d8.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b44556dd39c99550e0648a64825f543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9cd3a6d84c7d662db002bd58d9e2a5.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4759fe4753b198b757e2ee7dad051a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac4e3f9c6c33142521b5ad1e821c90e.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐1】已知非零向量
的夹角为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8131e17148a0591286e1be2a66951f5.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d194ecefc9101001d88d3cc0bc9d6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ff4cfe46e7accd38ef09cac50acd40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8131e17148a0591286e1be2a66951f5.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐2】如图,正六边形
边长为1,记
,从点
这六点中任取两点为
的起点和终点,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708b70cc6e08253e6b476dfbd1a2e749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39d1d88189726ae99c309644fca3494.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/1/1c3b4b6c-7405-4fd1-ad1e-ccbe01f00d32.png?resizew=139)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐3】已知向量
,
,
,向量
在
上的投影为
,则
的值为______ .
![](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/b821a889623ac467c40df8af7bb7305f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db9373e74ecf5d63ad98afe66aa4ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b496681cb9faeac02f4f763906b49656.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
【推荐2】在
中,
分别为
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd897da27ed7f7fb0036d86e5387260e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac40ebcc1baea0190460421cd6fa0b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f099cc775e1c7bc73a08bdb38d19919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd897da27ed7f7fb0036d86e5387260e.png)
您最近一年使用:0次