Interior and Exterior Angles of Polygons
the number of interior angles of a 17-gon
17
the sum of interior angles of a 14-gon
2160'
the sum of the exterior angles of all regular polygons is
360'
the measure of each exterior angle of any regular polygon
360/n
the sum of interior angles of a 23-gon
3780'
Sum of the measure of the interior angles of a pentagon
540'
the measure of each exterior angle of a regular hexagon
60'
the measure of each interior angle of an equilateral triangle
60'
the measure of each exterior angle of a regular pentagon
72'
Sum of the measure of the interior angles of a hexagon
720'
the measure of each exterior angle of a square (quadrilateral)
90'
the measure of each interior angle of a square (quadrilateral)
90'
Sum of the measure of the interior angles of any polygon
(n-2)180
the measure of each interior angle of a regular pentagon
108'
the measure of each exterior angle of an equilateral triangle
120'
the measure of each interior angle of a regular hexagon
120'