Assertion: octahedron's face | /r/HasProperty | shape
Facets:
value: in other words
type: OTHER
value: in a regular tetrahedron
type: OTHER
Source sentences:
text: When we say "octahedron" we often mean "regular octahedron" (in other words all faces are the same size and shape), but it doesn't have to be -
text: In a regular tetrahedron, all faces are the same size and shape (congruent) and all edges are the same length.
text: When we say "tetrahedron" we often mean "regular tetrahedron" (in other words all faces are the same size and shape)