Assertion: acre | /r/HasProperty | the area of one
Facets:
value: further
type: DEGREE
Source sentences:
text: An acre of land is further described as the area of one furlong by one chain measuring 660 feet by 66 feet that are precisely equivalent to 1/640 of a square mile, approximately 40% of an hectare, 43,560 square feet (or 4,047 square meters).