如图,边长为2的正六边形
中,
是边
的中点,连接
交
于点
,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb5d35f777213a4f374097893e1c805.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/9f184177-e776-416f-86bf-5c8bdab09ea7.png?resizew=136)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-06-19 20:11:04
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,量筒的液面A-C-B呈凹形,近似看成圆弧,读数时视线要与液面相切于最低点C(即弧中点).小温想探究仰视、俯视对读数的影响,当他俯视点C时,记录量筒上点D的高度为37mm;仰视点C(点E,C,B在同一直线),记录量筒上点E的高度为23mm,若点D在液面圆弧所在圆上,量筒直径为10mm,则平视点C,点C的高度为( )mm.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/bae2002d-9220-4268-aba5-ab2784693f2f.png?resizew=184)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/bae2002d-9220-4268-aba5-ab2784693f2f.png?resizew=184)
A. ![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在边长为2的等边三角形ABC中,D为边BC上一点,且
.点E,F分别在边AB,AC上,且
,M为边EF的中点,连接CM交DF于点N.若DF
AB,则CM的长为( )
![](https://img.xkw.com/dksih/QBM/2022/4/23/2967297682694144/2980044894961664/STEM/20094e08-a630-4fec-8d66-ad5f9659c4b3.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b49cc5a62dc12f2108291a5c0856932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91f064bb73019053992fe781a53356a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://img.xkw.com/dksih/QBM/2022/4/23/2967297682694144/2980044894961664/STEM/20094e08-a630-4fec-8d66-ad5f9659c4b3.png?resizew=150)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,在正方形ABCD中,
,点E为BC的中点,以CD为直径在正方形外部作半圆CFD,点F为半圆的中点,连接
,图中阴影部分的面积是( )
![](https://img.xkw.com/dksih/QBM/2020/6/13/2483964226781184/2491382135619584/STEM/f33977b0-2fc4-496a-90e8-9a0fd9960d71.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432cf339fdfdd3f3325912035c7b12a7.png)
![](https://img.xkw.com/dksih/QBM/2020/6/13/2483964226781184/2491382135619584/STEM/f33977b0-2fc4-496a-90e8-9a0fd9960d71.png?resizew=189)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,扇形
可以绕着正六边形
的中心
旋转,若
,
等于正六边形
的边心距的2倍,
,则阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/2021/6/18/2745699113541632/2790279772758016/STEM/5ac4f16b-a81c-4ac0-921c-36016ea3efad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161ea3eaa2e28747507c1c0e4a7b39f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcc2501b8ea3dd150e3d8f02f0bd174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://img.xkw.com/dksih/QBM/2021/6/18/2745699113541632/2790279772758016/STEM/5ac4f16b-a81c-4ac0-921c-36016ea3efad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图4,A、B是反比例函数
的图象上的两点.AC、BD都垂直于x轴,垂足分别为C、D.AB的延长线交x轴于点E.若C、D的坐标分别为(1,0)、(4,0),则ΔBDE的面积与ΔACE的面积的比值是 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/4/7e2f2ea2-d6e8-4348-9a0e-b3fa91090cc2.png?resizew=177)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】四边形ABCD和四边形ACED都是平行四边形,点R为DE的中点,BR分别交AC、CD于点P、O.△ABP的面积是4,则△BCP的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/8d6e44c3-b42f-4e95-b4cf-74a65359895f.png?resizew=177)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/8d6e44c3-b42f-4e95-b4cf-74a65359895f.png?resizew=177)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次