O lo'o tu'uina mai e le fa'asalalauga fa'asologa i luga ole laiga ma fua fa'atatau mo le fa'atatauina o le perimeter o se tafatolu: scalene (arbitrary), isosceles ma masani (equilateral).
lotomalie
Fuafuaga o le nofoaga
Faatonuga mo le faʻaaogaina: ulufale i mea taua ua iloa, ona oomi lea o le faamau “Fa'atatau”. O le i'uga, o le a fa'atatauina le nofoaga e fa'atatau i fa'amaumauga fa'amaonia.
tafatolu fua
Fua fa'atatau
P = a + b + c
tafatolu Isosceles
Fua fa'atatau
P = a + 2b
tafatolu masani (tusa'i).
Fua fa'atatau
P = 3a