Mea fuafua tafatolu fuafua ma maua: angles, itu, vaega o ituaiga uma o a faatafatolu. Fuafuaina: tafatolu tauagavale, itu tafatolu, isosceles tafatolu ma tafatolu equilateral.
Tuaoi o se tafatolu, perimita mea fuafua fuafaatatau
Saili se tuaoi o ituaiga eseese o faatafatolu, e pei o equilateral, isosceles, aia tatau po o tafatolu scalene.