做英语xiexiethe numbers of diagonals that can be drawn in a regular _英语解答

做英语xiexie
the numbers of diagonals that can be drawn in a regular polygon with twenty sides(icosagon)is______
answer_________________________________

人气：157 ℃　时间：2020-05-06 15:49:02

解答

一个规则的20边形有多少条对角线?
答案：170