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No. In plane geometry, two lines can intersect at at most one point. This means that for n points, the maximum number of intersections is limited by the number of pairs of lines. For lines a,b,c,d, there are six pairs: (a,b), (a,c), (a,d), (b,c), (b,d), (c,d). So four lines can have at most six intersections.
The formula is: 0.5*(n^2 -3n) = number of diagonal lines whereas 'n' is the number of sides of the polygon
In the letter N, you can see two acute angles formed by the diagonal lines that intersect at the top point and the bottom right point of the letter.
N has no lines of symmerty !
c + n