How many sides does a regular polygon has of each of its interior angle is 160 degree?
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If the interior angle of a regular polygon = 160 degrees
then the exterior angle = 20 degrees
The sum of all exterior angles is 360 degrees so there must be 360/20 sides = 18 sides.
then the exterior angle = 20 degrees
The sum of all exterior angles is 360 degrees so there must be 360/20 sides = 18 sides.
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