[size=85][i]Autori: odmatanje rubne crte četverokuta ([url=https://www.geogebra.org/u/amvukovic]Aleksandra-Maria Vuković[/url]), odmatanje kružnice ([/i][i][url=https://www.geogebra.org/u/bertram]Bertram Bromfield[/url], [url=https://www.geogebra.org/u/sunujohn]sunujohn[/url]).[/i][/size]