How many diagonals can be drawn in a polygon with 103 sides.

A polygon with 103 sides can hold 100 diagonals. In such a polygon, we have 103 corners. Take one corner from which we will draw the diagonals. 102 corners remain. We cannot draw diagonals to adjacent corners (there are two of them), because they coincide with the sides of the polygon. 102 – 2 = 100



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