Each exterior angle of a regular hexagon is:

Each exterior angle of a regular hexagon is:
  1. $45^{\circ}$
  2. $60^{\circ}$
  3. $72^{\circ}$
  4. $90^{\circ}$

Solution

Each exterior angle of a regular $n$-gon $= \dfrac{360^{\circ}}{n}$. For $n=6$: $\dfrac{360}{6} = 60^{\circ}$.

Asked in: IMO

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