because it felt like it
It has 20 identical equilateral triangular faces.
A regular icosahedron has 20 faces (equilateral triangles), 30 edges and 12 vertices.
Their faces are equilateral triangles.
In geometry, an icosahedron is a regular polyhedron with 20 identical equilateral triangular faces.
Icosahedron
An icosahedron has 20 identical triangular faces. Each face is an equilateral triangle, and the icosahedron is one of the five Platonic solids, characterized by having the same shape and size of faces throughout its structure.
An Icosahedron.
A tetrahedron (4 faces) and an icosahedron (20).
In geometry, an icosahedron is a regular polyhedron with 20 identical equilateral triangular faces.
An icosahedron.
Tetrahedron, icosahedron.
Icosahedron is a polyhedron having twenty plane faces.