Assertion: tetrahedron's base | /r/HasProperty | polygon
Facets:
value: with an odd number of sides
type: OTHER
value: with twelve flat faces
type: OTHER
Source sentences:
text: The base is a polygon and the sides of the polygon are connected to the apex through triangles.
text: " + ἕδρα hédra "base", "seat" or "face") is any polyhedron with twelve flat faces.
text: The method below can be applied to create any polyhedron from a base which is a polygon with an odd number of sides.