tetrahedron
pyramid
Tetra = four. It is a 3-d shape with 4 faces.
It is a polyhedron which means many faces
I cannot think of any 2-d shape. The 3-d shape with four faces is a tetrahedron.
A Pyramid
A polyhedron (solid shape formed by plane faces) with four faces is called a tetrahedron.
the name of a shape with four faces is a square or rectangle.
A pyramid.
pyramid
Tetra = four. It is a 3-d shape with 4 faces.
It is a polyhedron which means many faces
I cannot think of any 2-d shape. The 3-d shape with four faces is a tetrahedron.
It is simply a shape which has two bases which are regular polygons. There is no special name for such shapes.
By its very nature of being a triangle, and a 2D shape, a triangle cannot have four plane faces. However, a tetrahedron is a polyhedron made up of four triangular faces.
A Pyramid
it doesnt have a name if it has the name is square
quadrilaterals