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It works out that a polygon with 1175 diagonals has 50 sides
no
square and rectangle
Regular polygons with even sides if there are 6 or more of them; selected irregular polygons with seven or more odd numbers of sides.
Any regular polygon. Lots of irregular polygons can also have congruent diagonals, for example a kite. The answer should not be "a square" because it is a rectangle - a special case but a rectangle nevertheless.
50*(50 - 3)/2 = 1175 diagonals.
It works out that a polygon with 1175 diagonals has 50 sides
no
Regular polygons. A square and rectangle will have congruent (equal length) diagonals.
It has 464 diagonals. I used n(n-3)/2. Works for all polygons.
The principal diagonals of all regular polygons.
It is not possible to answer the question since there are no polygons "following".
rectangle
All regular polygons.
square and rectangle
A square, a rhombus and a kite all have perpendicular diagonals that intersect at right angles
Regular polygons with even sides if there are 6 or more of them; selected irregular polygons with seven or more odd numbers of sides.