About: http://webisa.webdatacommons.org/1045501

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	Isosceles Trapezoids, angles, sides, diagonals and other properties.
http://www.w3.org/ns/prov#wasQuotedFrom	mathwarehouse.com