2 dimensional shapes use the x and y planes where as 3 dimensional shapes use x, y and z planes.
3 dimensional shapes have breadth, width and depth whereas 2 dimensional shapes have only breadth and width
Polygons and 2 dimensional shapes
Plain (2-dimensional), closed, convex shapes.Plain (2-dimensional), closed, convex shapes.Plain (2-dimensional), closed, convex shapes.Plain (2-dimensional), closed, convex shapes.
None. Edges are one lines (1-dimensional) not shapes like squares (2-dimensional).None. Edges are one lines (1-dimensional) not shapes like squares (2-dimensional).None. Edges are one lines (1-dimensional) not shapes like squares (2-dimensional).None. Edges are one lines (1-dimensional) not shapes like squares (2-dimensional).
Polygons are a special type of 2-dimensional shapes.
"2-dimensional" means "flat". Anything you can draw on paper is a 2-dimensional shape.
2 dimensional shapes
They have one fewer dimension; they lack depth.
They are both polyhedrons, and3-d shapes.
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You know how 2-dimensional shapes are flat right? Well 3-dimensional means that it can go to and from you also.