Assertion: octahedron's triangle | /r/CapableOf | meet at each vertex
Facets:
value: on an icosahedron
type: LOCATION
value: in a octahedron
type: LOCATION
Source sentences:
text: This is because 4 triangles meet at each vertex in a octahedron.
text: This is because on an icosahedron, 5 triangles meet at each vertex.