Lê Quốc Trần Anh Coordinator
01/07/2018 at 03:30-
Nguyễn Mạnh Hùng 01/07/2018 at 08:48
We have:
The sum of all the angle in a convex polygon is 180 . ( n - 2 )(degrees) with n = the number of sides
=>180 . ( n - 2 ) = 9720
=> n - 2 = 54
So this is a 52-side polygon.
Is it answered?
Lê Quốc Trần Anh selected this answer.