Assertion: icosahedron's vertex | /r/HasProperty | corner points
Facets:
Source sentences:
text: It has 12 Vertices (corner points)
text: When we count the number of faces (the flat surfaces), vertices (corner points), and edges of a polyhedron we discover an interesting thing:
text: 6 Vertices (corner points)
text: It has 12 Vertices (corner points)