The conversation between human and AI assistant.
[|Human|] Formulate an equation to find the perimeter of a triangle with side lengths A, B and C.
[|AI|] The perimeter of a triangle with side lengths A, B, and C can be found using the equation `P = A + B + C`, where P is the perimeter.
[|Human|] 
Formulate an equation to find the perimeter of a triangle with side lengths A, B and C.