About: http://webisa.webdatacommons.org/447920192

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	In particular, each line passing through these circles and the vertex of the cone, such as the line drawn below, cuts off equal segments between the two circles.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org