The sum of the exterior angles of any polygon is 360°. Imagine walking round any polygon until you end up where you started. You will have made a complete turn, 360°.
The sum of the external angles of ANY regular polygon (or, for that matter, any convex polygon) is 360 degrees.
The sum of the internal angles is always equal to 180 (n-2) where n is the number of angles.
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The 6 interior angles of a hexagon add up to 720 degrees.
360 degrees
The sum of the exterior angles of any polygon is 360o. A hexagon has 6 sides, therefore there are 6 exterior angles that sum to 360o. As it is a regular hexagon, each angle is the same, thus each angle is 360o / 6 = 60o.
The 6 inside angles of a hexagon add up to 720 degrees
The 8 exterior angles of a regular octagon add up to 360 degrees