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.
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It is: 40 degrees and 90 degrees respectively
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idkk
Exterior angle = 20 degrees Interior angle = 160 degrees