Assertion: class's member | /r/HasProperty | common
Facets:
value: for both types of polygon
type: OTHER
Source sentences:
text: These two polygons have certain common properties, such as the values needed to calculate their areas: they both can be described simply with a height and a width (or base).This could be represented in the world of classes with a classfrom which we would derive the two other ones:andTheclass would contain members that are common for both types of polygon.