2D - the triangle 3D - the tetrahedron (i.e. it has a triangle on each side and there are 4 sides.
It's a 2D shape.
this is the shape of 2d cone
it a triangle as a 2d shape
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
It is a 3-D shape because a tetrahedron can be folded into a net!
2D - the triangle 3D - the tetrahedron (i.e. it has a triangle on each side and there are 4 sides.
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
2d
it a triangle as a 2d shape
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
Triangle In a tetrahedron, all sides are triangles
The answer is zero. A 2D shape has no volume.