Suppose the polygon has n sides
Then sum of interior angles = (n-2)*180 degrees = 3960 degrees
so n-2 = 3960/180 = 22
and so n = 24
The interior angles add up to 1800 degrees
A 13 sided polygon interior angles add up to 1980 degrees
4140
A 4 sided quadrilateral has interior angles that add up to 360 degrees and its exterior angles add up to 360 degrees
Any polygon can have two interior angles of 12 degrees. No polygon can have all its interior angles of 12 degrees.
The interior angles of a 17 sided polygon add up to 2700 degrees
If it's a regular polygon then each interior angle measures 120 degrees.
3600 Degrees
The interior angles of a 14 sided polygon add up to 2160 degrees.
The interior angles add up to 3240 degrees
The interior angles add up to 2340 degrees
The interior angles add up to 1800 degrees
If each angle measures 90 degrees the polygon is a square and so its angles sum to 360 degrees.
A 13 sided polygon interior angles add up to 1980 degrees
It is a regular 20 sided polygon
There are 5 interior angles and each one measures 108 degrees (180-72). Since the sum of exterior angles of any polygon is 360⁰, then that polygon would have 5 angles (360/72). So the sum of interior angle measures is 540⁰.
360 degrees.