The 13 interior angles of a 13 sided polygon add up to 1,980 degrees
The interior angles of a 17 sided polygon add up to 2700 degrees
The interior angles add up to 2340 degrees
It is a regular 20 sided polygon
1980 degrees
The 13 interior angles of a 13 sided polygon add up to 1,980 degrees
The interior angles of a 17 sided polygon add up to 2700 degrees
2340
2340
The interior angles add up to 3240 degrees
The interior angles add up to 2340 degrees
It is a regular 20 sided polygon
3600
4140
1800 degrees
1980 degrees
2520 degrees