已知一个多边形内角和为
,则这个多边形可连对角线的条数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a1e8072b2126e33aa203db4635211a.png)
A.10 | B.16 | C.20 | D.40 |
2023·浙江丽水·一模 查看更多[2]
更新时间:2023-05-22 15:30:44
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【推荐2】如图,射线
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