1 . 已知在
中,
为
上的一点,且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1ef7d4996cbe233f3dc69e8669cd9f.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56f5564199aab0b5cf123c56ec5baa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09ccf941a12f2c64efae29da7bd4967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1ef7d4996cbe233f3dc69e8669cd9f.png)
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2 . 已知
分别为
的边
上的点,线段
和
相交于点
,若
,
,
,其中
.则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be878f5bdce9a3e9939a4ae743c803b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1174877b02d3c54c58314fa7cd1218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83463cbe4e6b434ce448c053cae70ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761e8ff96c96ac26682b521288a01bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c227da7ad9d24ae3e3740febf9f293.png)
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名校
解题方法
3 . 在平行四边形
中,
为
边上靠近点
的三等分点,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e070f7f9e7f166b447e0d3a188ce0881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adebff9fb726cd58eda1ef994890901.png)
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名校
4 . 在四边形
中,
,则实数
的值为______ ,若
是线段
上的动点,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4fec47150e684e8b270289048aff7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d92b9548115581546be6f0a3c5a7057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ab157cd50abfa3a6de8027f3f0b424.png)
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名校
解题方法
5 . 如图所示,在边长为3的等边三角形
中,
,且点P在以
的中点O为圆心、
为半径的半圆上,若
,则下列说法正确的是____________ .
①
②
的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb03865bc5bbd5acdf68260d6a1454f6.png)
③
最大值为9 ④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de75a2e98f7c16a0be0ccbb8fd4b72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81889370d45239939a36de53c4445d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95d146bdcc8ac0a256c12696e9b9826.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5c4b886a48affa3e6103f7e4c2bfd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb03865bc5bbd5acdf68260d6a1454f6.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ccdceb57c6df84b42b1b9032a636e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de75a2e98f7c16a0be0ccbb8fd4b72b.png)
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真题
6 . 在边长为1的正方形
中,点
为线段
的三等分点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
______ ;
为线段
上的动点,
为
中点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f8c08d4be8d309dc82fd4b170db11b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c98a41ef6f9c38a7ebfc74dde60853.png)
您最近一年使用:0次
2024-06-16更新
|
3391次组卷
|
6卷引用:2024年天津高考数学真题
名校
7 . “奔驰定理”因其几何表示酷似奔驰车的标志而来,是平面向量中一个非常优美的结论,奔驰定理与三角形的四心(重心、内心、外心、垂心)有着美丽的邂逅.它的具体内容是:如图,若
是
内一点,
的面积分别为
,则有
.已知
为
的内心,且
,若
,则
的最大值为__________ .
![](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/7c06b7d20cc3e6b13af9fe40fc3faf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccb3de366206f32e0c9045e63b2e205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b129e8572f675627f5a7a2f782413f1.png)
![](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/1dcb984f7275b7047dbbd4c000e22b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0dfa5c97db56ae183a823782432cb3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次
2024-06-14更新
|
651次组卷
|
4卷引用:湖南省名校联考联合体2023-2024学年高一下学期期中考试数学试题
湖南省名校联考联合体2023-2024学年高一下学期期中考试数学试题(已下线)【讲】专题五 平面向量的综合问题(压轴大全)(已下线)【练】 专题六 平面向量与三角形四心问题(压轴大全)云南省保山市智源高级中学2023-2024学年高一下学期第二次(6月)月考数学试题
解题方法
8 . 如图,在
中,
分别是边AB,AC上的点,
,且
,点
是线段DE的中点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080881113dcfedbb37be834669306a05.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab2284d326527ac5b6829c71a7b9e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b0393ce62b24aa5f9b740d4cc6743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ba1954221a03cd62f691aaa6f798fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8908d9e34f06b6a3509a1d8e999d5ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080881113dcfedbb37be834669306a05.png)
您最近一年使用:0次
名校
9 . 如图,直角梯形
中,
,
,若
为
三条边上的一个动点,且
,则下列结论中正确的是______ .(把正确结论的序号都填上)
的点
有且只有1个;
②满足
的点
有且只有2个;
③能使
取最大值的点
有且只有2个;
④能使
取最大值的点
有无数个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47ad7ef0a17747fc54fe058bcb8d1a0.png)
![](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/77a116da076a45a9fe579bfbdfcbe299.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
②满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f371d431b6c91972b742c426c8a81ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
③能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55db12bc9a3b7bd2e6decaaea6ba387e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
10 . 四边形ABCD中,
,且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791666b74a5c0260017e12060c3cc06e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764b88d918c3b2dca6587af4893ad08b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253374ac677c35bf4d1dc260d688b63b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
您最近一年使用:0次
2024-04-26更新
|
276次组卷
|
5卷引用:北京市中国人民大学附属中学2023-2024学年高一下学期期中练习数学试题
北京市中国人民大学附属中学2023-2024学年高一下学期期中练习数学试题(已下线)北京市中国人民大学附属中学2023-2024学年高一下学期期中练习数学试题变式题11-15(已下线)专题01 向量基底、四心及其应用(2)-期末考点大串讲(苏教版(2019))黑龙江省大庆市大庆中学2024届高三下学期5月期中数学试题(已下线)2024年天津高考数学真题平行卷(基础)