Octagon
A television set is a 3D shape. The image (picture) on the television screen is a 2D shape. 3D is when it has length, width, and height. 2D is only length and width.
Yes a triangle is a 2D polygon shape
As a 2D polygon shape it is an 8 sided octagon.
A 2D shape with forty sides is known as a tentracontagon.
The 2D shape which has one line of symmetry is the trapezium.
Draw any 2D shape on a piece of paper. Cut it out. Now try to fold it in half. Cna it fold perfectly in half? or is there a bit of paper sticking over the edge? If there is a bit of paper sticking over the edge, the shape is not symmetrical
a sopidocihedron
yes it is a symmetrical shape
Octagon
It's a 2D shape.
A rhombus is a 2D shape.
2d
this is the shape of 2d cone
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 diamond is a 3D shape, specifically a type of polyhedron known as a rhombus. A rhombus is a quadrilateral with all sides of equal length, opposite sides parallel, and opposite angles equal. In a three-dimensional space, a diamond shape is a polyhedron with four faces that are congruent rhombi.
it a triangle as a 2d shape