Each exterior angle measures 11.5 degrees.
Each interior angle measures 168.75 degrees
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A regular hexagon.
If each interior angle is 175 degrees then the polygon will have 72 sides
Since the interior angle measure of the regular polygon is 140⁰, its exterior angle measure is 180⁰ - 140⁰ = 40⁰. Since the sum of the exterior angle measures is 360⁰, the polygon has 360⁰/40⁰ = 9 sides.
The measure of 1 exterior angle of a regular 8-sided polygon is equivalent to 45 degrees. Hope I helped! :)
A regular decagon, or 10-sided polygon, has interior angles of 144