You take the amount of sides it has and divide it by 360 e.g. if a polygon has 8 sides you do: 360 / 8 = 45
Use a protractor
To find the measure of an exterior angle of a triangle, you can use the property that the exterior angle is equal to the sum of the two opposite interior angles. First, identify the exterior angle you want to measure, and then add the measures of the two non-adjacent interior angles. Alternatively, if you know the measure of one interior angle, you can subtract it from 180 degrees to find the exterior angle at that vertex.
There is no specific limitation on any one angle of an inscribed quadrilateral.
It will have 14 sides and each interior angle will measure 2160/14 degrees
Each interior angle measures: 152o 18' 27.69''
Each interior angle is 157.5
Each interior angle measures 144 degrees
Each interior angle is 165 degrees
75.32Improved Answer:-It is: 157.5 degrees
120
Each interior angle measures 160 degrees
180