把边长相等的正六边形
和正五边形
的
边重合,按照如图的方式叠合在一起,延长
交
于点N,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019c0405370c673e37b46c066eba839.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50a775f6d1bc9ef7226ca446eabdd54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199cac2a7d7ecee96d66ebd9bb33abf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff575e55857af133edb24c8e61504f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378d997a5b06725346eb75caea3fab26.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/27/a358e6f5-5cf8-49fa-a60f-4d7f750a9fd9.png?resizew=139)
A.![]() | B.![]() | C.![]() | D.![]() |
2023八年级上·全国·专题练习 查看更多[2]
更新时间:2023-08-31 18:54:24
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,五边形
是正五边形,若
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/20af409e-89e6-48c0-bc92-d75547bc69d1.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8352e81dbe91aec4032bc63a0da5fce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/30/20af409e-89e6-48c0-bc92-d75547bc69d1.png?resizew=162)
A.120° | B.108° | C.90° | D.72° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】两个完全相同的正五边形都有一边在直线
上,且有一个公共顶点
,其摆放方式如图所示,则
( )
![](https://img.xkw.com/dksih/QBM/2019/10/25/2319594826293248/2320387320258561/STEM/36c85f60eb0544caa1e0ea3ec8fc79f9.png?resizew=123)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2979f64c85f82d8975d73ee1c342de.png)
![](https://img.xkw.com/dksih/QBM/2019/10/25/2319594826293248/2320387320258561/STEM/36c85f60eb0544caa1e0ea3ec8fc79f9.png?resizew=123)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次