Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Angle tangentiel-fr#Sense
Omtrekshoek-nl#Sense
Angle at the circumference-en#Sense
Angolo alla circonferenza-it#Sense
Peripheriewinkel-de#Sense
Circumferential angle-en#Sense
Angle inscrit-fr#Sense