according to, or as a matter of, definition

listen to the pronunciation of according to, or as a matter of, definition
Английский Язык - Турецкий язык

Определение according to, or as a matter of, definition в Английский Язык Турецкий язык словарь

by definition
tanım gereği
by definition
Doğası gereği; aslında, özünde
Английский Язык - Английский Язык
by definition

This property holds for all polygons; and since, by definition, all triangles are polygons, it holds for all triangles.