如图,矩形
中,
,
,点
在折线
上运动,将
绕点
顺时针旋转得到
,旋转角等于
,连接
.若
时,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b1fce5acb99c537df69d9d66141305.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bbd04b75eb3db55fc13d78e7c30188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b1fce5acb99c537df69d9d66141305.png)
22-23八年级下·江苏南通·期末 查看更多[2]
更新时间:2023-08-14 22:25:18
|
相似题推荐
填空题
|
困难
(0.15)
名校
【推荐1】已知双曲线
与直线
交于A、B两点(点A在点B的左侧).如图所示,点P是第一象限内双曲线上一动点,BC⊥AP于C,交x轴于F,PA交y轴于E,则下列结论:①
;②AE=EF;③
;④
.其中正确的是:______ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646e11d5bff57e56ce82c2339f2d71ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c914e2321e28c2c268e90354db0bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51c9d7b076c8764feb403bfd71e0b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0b485379b517d3cd9dbf59b688b285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6d69fd3e5196ab2cc4a5c3f45b3649.png)
![](https://img.xkw.com/dksih/QBM/2020/6/26/2492929448353792/2494376262696960/STEM/bcfd331ff48c447b9e49ec8f9f11a790.png?resizew=202)
您最近一年使用:0次
填空题
|
困难
(0.15)
名校
【推荐2】如图,在
中,
,点
在
上,
,
,延长
至点
,使
,过点
作
于点
,交
于点
,若
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fdd8e57562ba94e10e7f1d770826d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67ef50cee00745ceeb2628316722f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20fe532cad7a1f9279d58874aa4def00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09de6bc03bcf984c84aebc72352da50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b6cc3789c0e9b7d1226aa0de3327599.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8463443d389115eb256fcddacd6104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e80bb0f244f283cd4c3faf809ba488d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/ee8be329-9148-442b-8d43-21467600a91f.png?resizew=131)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐1】如图,四边形
是边长为
的正方形,点F是边
延长线上一个动点,点E在直线
的上方,且
,
,若
恰为等腰三角形,则
的长为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048b61a5fb5f420c6d7de88db5bc3aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f586a2079d0e382ef843f4dbe068566e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51352936f13995f63cd74207c303971a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/2/13e6ad69-51d0-4b8d-b177-05115a5d8c70.png?resizew=170)
您最近一年使用:0次
填空题
|
困难
(0.15)
名校
【推荐2】Rt△ABC中,AB=AC=
,BO=
AB,点M为BC边上一动点,将线段OM绕点O按逆时针方向旋转90°至ON,连接AN,CN,则△CAN周长的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/14/cdad8c66-bd27-4a44-9bcf-382e17db9269.png?resizew=221)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐1】如图,在Rt△ABC中,AC=BC,∠ACB=90°,点D为边AB上一点,CD绕点D顺时针旋转90°至DE,CE交AB于点G.已知AD=8,BG=6,点F是AE的中点,连接DF,求线段DF的长_.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/21/25de8271-113b-43a3-9a02-12ab66f1e405.png?resizew=257)
您最近一年使用:0次
填空题
|
困难
(0.15)
【推荐2】如图,函数
在第一象限内的图象绕坐标原点
顺时针旋转
后,和过点
,
,
的直线相交于点
、
,若
的面积是
,则
的值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0b612460326448de36e160c8d29af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3df3c73329d5ea0fdd1b9693b874399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad217e26bd3580c35998109de14cef73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd93617e610ccfe625f635cf54128051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800eca4e8d1c3f4792a1d3aba6f3b481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次