Respuesta :
Answer:
one side is 19 inches
Step-by-step explanation:
57 / 3 = 19
since it is an equilateral triangle the sides are equal so you can just divide by 3
Answer:
one side is 19 inches
Step-by-step explanation:
57 / 3 = 19
since it is an equilateral triangle the sides are equal so you can just divide by 3