Given an creature N representing N sided regular polygon, the job is to uncover the edge made by the sides on the centre of the polygon that is the central angle.The central angle is the angle developed by the 2 vertices developing an edge and the centre.

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Input: N = 6Output: 60Explanation:The polygon is a hexagon through an edge 60 degree.

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Input: N = 5Output: 72Explanation:The polygon is a pentagon with an angle 72 degree.
Approach: The idea is to observe that because there is a continuous polygon all the main angles developed will it is in equal.All main angles would add up come 360 levels (a complete circle), so the measure up of the main angle is 360 separated by the number of sides.Hence, central angle = 360 / N degrees, whereby N is the number of sides.Below is the implementation that the above approach:
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