Its 8 exterior angles add up to 360 degrees
The exterior angles of any polygon always add up to 360 degrees
A regular hexagon has zero right angles. An irregular convex hexagon could have 0-3.
The sum of the external angles of 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.
180
Its 8 exterior angles add up to 360 degrees
The exterior angles of any polygon always add up to 360 degrees
A concave irregular hexagon can have up to 6 right angles. A convex irregular hexagon can have up to 3 right angles.
A regular hexagon has zero right angles. An irregular convex hexagon could have 0-3.
360 degrees - and it does not have to be convex.
The sum of the external angles of 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.
The sum of the exterior angles of ANY polygon, convex or concave, is 360 degrees.
180
The exterior angles of any polygon add up to 360 degrees
360 degrees (this is true with any convex polygon)
The answer depends on what you mean by size: its area (more likely) or perimeter. In either case, the answer depends on what information you have about the hexagon: whether it is regular, irregular but convex, or concave.
360 degrees