A concave polygon.
Unless the polygon is a triangle, it is a diagonal.
Pentagon
It works out that a polygon with 1175 diagonals has 50 sides
It should be convex
Concave quadrilateral.
A concave polygon.
It is a convex polygon.
A convex polygon
No, a diagonal is never a side of a polygon:A diagonal is a line between two non-adjacent vertices of a polygon;A side is a line between two adjacent vertices of a polygon.
a convex polygon
VX
Unless the polygon is a triangle, it is a diagonal.
A perpendicular diagonal is a pair of segments or lines that cross a polygon making a perpendicular
Pentagon
It works out that a polygon with 1175 diagonals has 50 sides
It should be convex