Tinye ka ọkacha mmasị
Wepụ si ọkacha mmasị
Perimeta nke a triangle, perimeta usoro ihe mgbako
Perimeta nke a triangle, perimeta usoro ihe mgbako-enye gị ohere ịhụ a perimeta nke dị iche iche nke triangles, dị ka equilateral, isosceles, nri ma ọ scalene triangle, site usoro, eji ogologo triangle n'akụkụ.