[url=https://wiki.geogebra.org/en/TriangleCenter_Command]TriangleCenter( <Point>, <Point>, <Point>, <Number> )[br][/url][color=#666666][br][/color][list=1][*]Incenter[br][/*][*]Centroid[br][/*][*]Circumcenter[br][/*][*]Orthocenter[br][/*][*]...[/*][/list]

[url=http://www.jasoncantarella.com/wordpress/software/perl-triangle-centers/]http://www.jasoncantarella.com/wordpress/software/perl-triangle-centers/[/url]