How do u calculate the distance from the centre of the circle to the centre of one edge of the hexagon

Check the picture below.

bearing in mind that a circle has a total of 360°, and a radius line coming from the center of the hexagon, will make an angle of 360°/6 or 60° for each side with the center of the circle, as you see in the picture.

if we run a bisector line through one of those 6 angles, we end up splitting it in two equal halves, namely two 30°, so that the apothem and the radius both coming from the center, with the side, make a 30-60-90 triangle, as you see there.

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Step-by-step explanation: