Atẹjade naa ṣafihan awọn oniṣiro ori ayelujara ati awọn agbekalẹ fun ṣiṣe iṣiro agbegbe ti igun onigun kan: scalene (lainidii), isosceles ati deede (equilateral).
akoonu
Iṣiro agbegbe
Ilana fun lilo: tẹ awọn iye ti a mọ, lẹhinna tẹ bọtini naa "Ṣiṣiro". Bi abajade, agbegbe naa yoo ṣe iṣiro ni akiyesi data ti a sọ pato.
onigun mẹta
Ilana iṣiro
P = a + b + c
Isosceles onigun mẹta
Ilana iṣiro
P = a + 2b
Deede (equilateral) onigun mẹta
Ilana iṣiro
P = 3a