Irregular polygon
Use a protractor
a irregular polygon and rhombus
a shape that's sides a not the same length and angles are not the same degree
An irregular pentagon.
An irregular shape!
10 sided 2D shape is called a decagon 20 sided 2D shape is called a icosagon 30 sided 2D shape is a swimming pool 40 sided 2D shape is unknown 50 sided 2D shape is unknown 60 sided 2d shape is unknown 70 sided 2d shape is unknown 80 sided 2d shape is unknown 90 sided 2d shape is unknown 100 sided 2d shape is unknown 110 sided 2d shape is unknown 111 sided 2d shape is unknown 120 sided 2d shape is unknown 130 sided 2d shape is unknown
A 2d nine sided shape is called a nonagon.
A 2 dimensional shape (or a 2D shape) is a shape withe a length and height, in some other cases, like a circle or oval or irregular shapes are also 2D shapes. Conclusion: A 2D shape is a shape that only have one section, that can be drawn.
A 2D sphere is a circle.
A 2D shape with forty sides is known as a tentracontagon.
A 2D shape with 9 sides is called a Nonagon.