A triangle perhaps which has only 3 sides
A quadrilateral is a geometrical shape that has 4 sides
a triangle
A straight line perhaps
A geometrical shape with four equal sides.
A triangle
A henagon has one sides, and a cirle has over 999999999999999999 sides so yeah.
A six sided geometrical figure is called a hexagon.
Try tetradecagon. The name of the geometrical figure with 14 sides is being proposed to be Tetradecagon, Tetrakaidecagon.
A side is basically a geometrical shape; an edge is where two sides meet.
For a shape to have parallel sides it needs at least 4 sides
The geometrical shape, square satisfies the conditions.
A geometrical shape with 4 equal sides and 4 right angles (90o). A regular rectangle