<http://webisa.webdatacommons.org/73494574>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/328900589>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/73494574> .
<http://webisa.webdatacommons.org/73494574>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<pitt.edu> .
<http://webisa.webdatacommons.org/73494574>	<http://www.w3.org/ns/prov#value>	"sides are 10,000 km? (An example of such a triangle is shown as triangle ABC." .