Respuesta :

learner7212

Answer:

36

Step-by-step explanation:

equilateral triangle has all sides So,

perimeter = a+b+c= 12+12+12=36

mir707luciel
Answer: 36

Equilateral triangles are the same length on every side, since the size of 1 side was given (12) you multiply by 3 (number of sides)
12•3=36