如图,在矩形
中,
,
,
、
分别是
、
边上的动点,
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de4a54cc7818be87a239f6de5f5d05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498b007826b947fa0d19da0fc0aa52b6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/b7e639f3-5467-4646-b675-6dc00156d096.jpg?resizew=88)
更新时间:2024-01-04 10:40:33
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名校
【推荐1】如图,在
中,
,点E在线段
上,在
延长线上取一点D,连接
,使得
,若
,则
的面积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb58507923435d8218d9883c47bb6096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a887678ca42faa3d289e2b6460790b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca61f08915e5bd5d9581cb90894e2d0.png)
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【推荐2】如图,在
中,
,
,
,按以下步骤操作:①分别以O和B为圆心,以大于
的长为半径画弧,两弧分别交于点C,D;②以O为圆心,以任意长为半径画弧,分别交OA,OB于点E,F;③分别以E和F为圆心,以大于
的长为半径画弧,两弧交于点G;④作射线OG,交直线CD于点P,反比例函数
上的图像经过点P,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b352fa3e781df195ceccca90c3932a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ec371d5dbc19d236bf8a1f084031e7.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d649afbddd907f0dfec1420f02f82fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909a84c5f1e6ceea48418209d17c3a11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d092504d3c33c48be43f23b788efd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
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【推荐1】如图,在平行四边形
中,
,
,E是边
延长线上一点,连接
,以
为边作等边三角形
,连接
,则
的最小值是 ________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
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【推荐2】如图,在
中,以点
为圆心,以任意长为半径画弧,分别与边
交于点
分别以点
为圆心,大于
的长为半径画弧,两弧交于点
,作射线
交边
于点
,若点
为射线
上一动点,连接
,直线
交边
于点
,取线段
的中点
,连接
,若
,
,
,则边
的长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c0ecf2aeda1219e40e8db1bd73e063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
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【推荐1】如图,矩形
中,
,
,点E为边
的中点,连接
,点F,G分别在
和
上,且
,点E关于
的对称点为
,
分别交
和
于H,I,若
,则四边形
的面积为 ___________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
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【推荐2】如图,已知矩形
中,
,
,点E在
边上,点F为
的中点,将
绕点E逆时针旋转
得
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______ 时,点A、C、G三点共线.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5277fa450a0c513a86a74420f8ee99f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/27ece08f-3506-4708-bb28-9dc2436e9ab9.png?resizew=140)
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【推荐1】如图1是一张双档位可训节靠背椅,档位调节示意图如图2.两脚
,
以及靠背
,座位
,其中D,F分别为
,
上固定连接点,
在点A上移动实现靠背的调节,
,
,已知
分米,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/24/8cdea874-8907-45dd-9887-34e267d0f97d.png?resizew=389)
(1)当
时,点E离水平地面
的离度为_________ 分米.
(2)当靠背
时,有
,则
的长为_____ 分米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ae009cc2f49e43133faea941d76d56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d2f2e41907e30a4a14035f55e3c37c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/24/8cdea874-8907-45dd-9887-34e267d0f97d.png?resizew=389)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fcb6667dd564140712eb29c7a4bbdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)当靠背
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69379e34c1075287239b057a0a5e3f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5010120f791446cc367a8d20d4d9a33c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
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【推荐2】如图,方形
中,
,点
为射线
上任意一点(与点
不重合),连接
,在
的右侧作正方形
,连接
,交射线
于
,当
长为2时,点
的长为________ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70006daa3ce8fd457bfdeab0d95ffdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/129744a9-a635-40a6-a17a-9d131e69e545.png?resizew=200)
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