Walk around any convex polygon — the total turn is 360°. So the exterior angles always sum to 360°, no matter how many sides.
For a regular n-gon, each exterior angle is exactly 360°/n.
Walk around any convex polygon — the total turn is 360°. So the exterior angles always sum to 360°, no matter how many sides.
For a regular n-gon, each exterior angle is exactly 360°/n.