The sides of a polygon do not generally have specific names. Polygons with 3 sides are triangles.
12
They are called regular polygons
Yes, those polygons which have angles of 90 degrees and equal side lengths are called squares; those with uneven side lengths are called rectangles.
All polygons
Yes they are polygons as they have more than 1 side.
parallel polygons.
Irregular polygons.
Congruent polygons.
A side can't have 12 sides.
irregular polygons are just polygons that do not have equal angles and side so a scaling and isosceles triangles are 2 and trapezoid is another.
They are called irregular polygons