They have sides but 3D figures have edges
mirror edge 2d.rar get password
a 2d figure a square
A parallelogram is a 2D figure with two parallel sides
It depends on the type of figure. If it is a 2D figure, then it is called area. If it is a 3D figure, then it is called volume.
A line (2D), ray (2D), vector (2D), line segment (2D), a mobius strip (3D), or a klein bottle (3D).
Pentagon
a line is a 2D figure.
A twenty sided, 2D figure is called an icosagon.
Such a 2D shape is a hexagon, a six sided figure.
The line that forms the edge of a figure is an edge line. Which forms the figure the has been drawn. You use this line to define a drawing or a figure.
It is because a polygon is 2D figure while a cube is a 3D figure.
Any 2D figure. eg: Square, Circle, Rectangle, Octagon, Pentagon, etc.