180-360/n,
where n is the number of sides
for a hexagon 180-360/60=120o
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Each of the 6 interior angles is 120 degrees in a hexagon.
The sum of the exterior angles of any polygon is 360 degrees. So for a regular dodecagon (12-gon), each exterior angle is 360/12 = 30 degrees. And so, each interior angle is 180 - 30 = 150 degrees.
The internal (inside) angles of any regular polygon are equal to (n - 2) x 180, where n is the number of sides in the polygon. For example, the sum of the internal angles inside a six-sided shape (hexagon) are equal to (6 - 2) x 180 = 720 degrees.To find out how much each angle measures, simply divide the result of this by the number of sides - so, 720 / 6 = 120 degrees. Each internal angle in a hexagon is equal to 120 degrees.
if you are talking about regular polygons, then nothing has an obtuse angle. otherwise, pretty much any shape can have an obtuse angle
The sum of interior and exterior angle = 180. The interior angle of a regular pentagon = (n-2)x180 / n = (5-2)x180/5 = 108 The exterior angle = 180 - 108 = 72 The interior angle is 35 degrees greater than exterior angle.