A sheet of paper, for example, has a two-dimensional shape. Plane shapes are another term for 2D shapes: a two-dimensional, closed, or flat plane shape. For example, triangles and squares are polygons.īecause 2D objects have no depth, they cannot be physically held a 2D shape is absolutely flat. In general, plane figures made of lines are known as polygons. Also, these figures can have any number of sides. Straight or curved lines make up the sides of this shape. In other words, a plane object that has only length and breadth is 2 dimensional. Draw the top face of the cuboid with two pairs of parallel lines.In geometry, a shape or a figure that has a length and a breadth is a 2D shape. Draw vertical lines at the ends of the oblique lines. to the left and up, and to the right and up for the dimensions of the base of the cuboid.
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