Assertion: triangle's side | /r/HasAspect | equal lengths
Facets:
value: in regular triangle
type: LOCATION
Source sentences:
text: A side can be marked with a pattern of "ticks", short line segments in the form of tally marks; two sides have equal lengths if they are both marked with the same pattern.
text: In a equilateral triangle (or regular triangle) the three sides have equal length.
text:  isosceles - 2 sides have equal lengths