2d2D means 2 Dimensional, and includes shapes like triangles, squares, rectangles, circles and more! Here we show the moost common 2D shapes. 2D Shapes. A plane or 2D shape has 2A 2D shape has one dimension. A 2D shape has no thickness. The circle is an example of a 2D shape. We can find the volume of a 2D shape. Solution: False. A 2D shape has