A shape is comprised of line segments. A line segment is finite and is a straight line connecting two points. These line segments are joined together to enclose an area. To be a shape
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2 dimensional shape had to do with one going up or down and going right or left no forward or backward. So it can be a photo or a sketch of ball bouncing from right to left.
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Regular 2D Shapes  Polygons. Triangle  3 Sides, Square  4 Sides, Pentagon  5 Sid.
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A 2dimensional shape is any flat shapeanything that's printed or drawn. A "regular" 2dimensional shape would be geometric, with predictable sides and angles. Squares
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