Assertion: polygon | /r/HasAspect | side
Facets:
value: usually
type: TEMPORAL
value: mutually congruent
type: MANNER
Source sentences:
text: A polygon which has all sides mutually congruent and all angles mutually congruent is called a regular polygon.
text: All polygons have four sides.
text: It usually has three sides/corners or more.
text: A polygon can have three of more sides, and these can be of different lengths.
text: A polygon is a closed geometric shape that has at least three sides and angles.
text: Any polygon has as many corners as it has sides.