No they do not.
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It means that a certain set of points are all on the same line.
pointplanepolygonPythagorean Theorypentagonprotractor
According to Euclidean geometry, that is an object where all the angles are the same and all the sides are the same length.
In geometry, "regular" means all the sides are the same (and all angles the same). A regular pentagon has all 5 sides the same. Some pentagons have every side different; other irregular pentagons have 2, 3, 4, or 5 sides the same.