在平行四边形ABCD中,
,
,
,则平行四边形ABCD的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4746df85049d1651d3f6c30212a7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de006cef9e5efbcbf74229845804650.png)
更新时间:2022-05-13 16:47:57
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,有两个全等的含30°角的直角三角板重叠在一起,将
绕AC的中点M转动,斜边
刚好过
ABC的直角顶点C,且与
ABC的斜边AB交于点N,连接
、
、
.若AC的长为2,有以下五个结论:①MA=
=MC=
;②
=1;③四边形
为矩形;④点N是边AB的中点;⑤
,其中正确的有__ (填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ed6cbf3f2963a662c3a96a5628d1bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea74bcb2642f3bdeb0f6d67b5baca43a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018af6682b038cfdf6ed136943413271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86568a05d2e2aa2311b574d8b0d1e995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c962456e190ea0d7e6e88782aa8c161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128db59d7415e24db9042bcd764dac3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056f013a6d199f21bba65234697adcd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018af6682b038cfdf6ed136943413271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcc7d61c4e97e6aae48ffcef1239aa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9138edbfd4e067db09acbd2da3fadae.png)
![](https://img.xkw.com/dksih/QBM/2021/7/28/2773759041568768/2780547920683008/STEM/84ff8852ceba47729fe3fd6803725daf.png?resizew=135)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,△ABC是等腰直角三角形,AC=BC,∠ACB=90°,点D是AB中点,在△ABC外取一点E,使DE=AD,连接DE,AE,BE,CE.若CE=
-
,∠ABE=30°,则AE的长为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180c9efbc1f04ec3336259832fc9c76b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/16/8a260b4e-82e9-44ce-b0df-a10aa24df26f.png?resizew=184)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,已知等边
的顶点
在双曲线
上,点
的坐标为
;在
的右侧作等边
,顶点
在双曲线上,点
在
轴上;在
的右侧作等边
,顶点
在双曲线上,点
在
轴上;…以此类推,点
的横坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb99c20237aca8ff2ba640c28fbc5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b7401da0ae3ea6a350a3cff047ce77a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4425813144514436b99d88bbf8fea0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123affa2d37ec6d18a192fdc3840ec9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2857fac4963b129d99e79dcb3e13d295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d1cb4ffc937e336200fd70fc089041a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/10/38041658-0f7c-4b06-b8df-260fa937def9.jpg?resizew=211)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐2】如图,△ABC是等腰直角三角形,∠ACB=90°,AC=6,点D在直线BC上运动,E是线段AD上一点,连接CE,将CE以C为旋转中心,顺时针旋转90°得到CF,连接EF,DF,BF.当△CDE为等边三角形时,点F到射线AD的距离为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/c0401fed-d191-489a-a416-b335affc6d87.png?resizew=148)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,E为▱ABCD边AD上一点,将△ABE沿BE翻折得到△FBE,点F在BD上,且EF=DF,若∠BDC=81°,则∠C=_____ .
![](https://img.xkw.com/dksih/QBM/2020/6/16/2485704184922112/2492495073484800/STEM/c4558de1c4174295be1190d0898ad2a2.png?resizew=244)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,平行四边形ABCD中,点O是对角线AC的中点,点E在边AB上,连接DE,取DE的中点F,连接EO并延长交CD于点G.若BE=3CG,OF=2,则线段AE的长是_____ .
![](https://img.xkw.com/dksih/QBM/2019/9/25/2298408350834688/2298802046066688/STEM/f0ab0c5dee104171937e974920b4e6b5.png?resizew=154)
您最近一年使用:0次