Assertion: icosahedron's face | /r/HasProperty | identical regular polygons
Facets:
Source sentences:
text: By regular is meant that all faces are identical regular polygons (equilateral triangles for the icosahedron).
text: The faces of each Platonic Solid are all identical regular polygons.
text: They are all of the three-dimensional solids that you can define using faces that are identical regular polygons.