The sum of the interior angles of any regular polygon of n sides is equal to 180(n - 2) degrees. 166.153846 repeating degrees
A 10 sided polygon which is a decagon and its interior angles add up to 1440 degrees.
A three-sided polygon is a triangle. The angles in a triangle add up to 180 degrees.
The sum of the interior angles of a four-sided polygon is 360 degrees.
The angles of a 8 sided Polygon is 45 degrees.
The interior angles of a fifteen sided polygon amount to 2340 degrees.
The interior angles of a 17 sided polygon add up to 2700 degrees
The interior angles of a 19 sided polygon add up to 3060 degrees
The interior angles of a 20 sided polygon add up to 3240 degrees
There are 720 degrees in a 6 sided polygon.
The sum of the exterior angles of a polygon, however many sides it has, is 360 degrees. If the 20 sided polygon is regular, its angles are equal, and each is then 360/20 = 18 degrees.
Exterior angles add up to 360 degrees Interior angles add up to 1260 degrees