Assertion: edge contracted icosahedron | /r/HasProperty | polyhedron
Facets:
value: with 27 edges
type: OTHER
value: in geometry
type: OTHER
value: with order
type: OTHER
value: with 18 triangular faces
type: OTHER
Source sentences:
text: In geometry, an edge-contracted icosahedron is a polyhedron with 18 triangular faces, 27 edges, and 11 vertices with C 2v symmetry, order 4.