A Decagon.
A 2D 12 sided shape is called a DodecagonAnd it's called a Dodecahedron if it's 3D.
this shape is a decagon this shape is a decagon
It is the decagon.
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
2D shape = Decagon 3D shape = Decahedron
it is a decagon
A ten-sided 2D polygon is known as a decagon.
2d
A rhombus is a 2D shape.
this is the shape of 2d cone
It's a 2D shape.
it a triangle as a 2d shape