How do you find the perimeter of a triangle?
To find the perimeter, use this triangle perimeter formula:
Perimeter = Length of Side 1 + Length of Side 2 + Length of Side 3
Example: The perimeter of a triangle with side lengths of 3 inches, 4
inches and 5 inches:
Triangle Perimeter = 3 + 4 + 5
Calculated out this gives a perimeter of 12