Given a regular hexagon of side length a, the task is to find the length of it’s diagonal.
Input : a = 4 Output : 8 Input : a = 7 Output : 14
From the diagram, it is clear that the triangle ABC is an equilateral triangle, so
AB = AC = BC = a.
also it is obvious, diagonal = 2*AC or 2*BC
So the length of diagonal of the hexagon = 2*a
Below is the implementation of the above approach:
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