如图,点
在正方形
的边
上,若
,
,那么正方形
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6933a9aed245548551418e737d2f062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86338536656046e93b53672ade9a78b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/21/1dda950f-2909-4e8c-98d7-c3decdce729d.png?resizew=155)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-08-21 23:14:33
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,在Rt△ABC中,∠ACB=90°,AC=1,AB=4,点D是斜边AB的中点,以CD为底边在其右侧作等腰三角形CDE,使∠CDE=∠A,DE交BC于点F,则EF的长为( )
![](https://img.xkw.com/dksih/QBM/2021/12/7/2867216938508288/2868651470602240/STEM/4c7aa8dd875a4f70a81d138e54e23948.png?resizew=199)
![](https://img.xkw.com/dksih/QBM/2021/12/7/2867216938508288/2868651470602240/STEM/4c7aa8dd875a4f70a81d138e54e23948.png?resizew=199)
A.3 | B.![]() | C.![]() | D.3.5 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】等腰三角形腰长为13cm,底边长为10cm,则其面积为 ( )
A.30![]() | B.40![]() | C.50![]() | D.60![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,以正方形ABCD的边AB为一边向外作等边△ABE,则∠AED的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/063ddd91-5b22-4692-837b-91566fb272e4.png?resizew=231)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/063ddd91-5b22-4692-837b-91566fb272e4.png?resizew=231)
A.15° | B.20° | C.22.5° | D.25° |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,
是正方形,点
在对角线
上,且
,则
的度数等于( )
![](https://img.xkw.com/dksih/QBM/2018/9/14/2032247550558208/2037362536226816/STEM/7da8a7c1249348e49aa692be3b628d0f.png?resizew=118)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea0f0a3d0cec1ab4ad711b801aa63ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e83e5c0126e092fe2aa687cbcdbfca5.png)
![](https://img.xkw.com/dksih/QBM/2018/9/14/2032247550558208/2037362536226816/STEM/7da8a7c1249348e49aa692be3b628d0f.png?resizew=118)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,取边长为4的正方形各边中点,顺次连接构成小正方形,依次画下去,小正方形的面积从大到小 排列,分别记为
,
,
,…,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1627178de6edc574614a630f65775709.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,菱形ABCD的面积为120cm2,正方形AECF的面积为50cm2,则菱形的边长为( )
![](https://img.xkw.com/dksih/QBM/2019/3/10/2157378814099456/2160497292566528/STEM/37fa280e0106432985f75fef06102752.png?resizew=221)
![](https://img.xkw.com/dksih/QBM/2019/3/10/2157378814099456/2160497292566528/STEM/37fa280e0106432985f75fef06102752.png?resizew=221)
A.10cm | B.13cm | C.15cm | D.24cm |
您最近一年使用:0次