About: http://webisa.webdatacommons.org/239813096

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	therefore, if we cut any angle other than the right angle => the loss in one angle = the gain in the other.
http://www.w3.org/ns/prov#wasQuotedFrom	gmatclub.com