Answer:
perimeter = 14
Step-by-step explanation:
perimeter = ∑sides
= x + (x + 3) + (x + 4) --------eq.
= 3x + 7
3x = 7
x = 7/3
plugin values into the equation:
perimeter = ⁷/₃ + (⁷/₃ + 3) + (⁷/₃ + 4)
= 14
therefore, the perimeter of a triangle is 14
