Answer:
Let \[\Delta ABC\] is an equilateral triangle, where each side is denoted by \[l\]. i.e. \[AB=BC=CA=l\] We know that, the perimeter of a triangle = Sum of all the sides of a triangle \[\therefore \] Perimeter of an equilateral triangle \[=AB+BC+CA=l+l+l=3l\] Thus, the perimeter of an equilateral triangle using \[l\] can be expressed as \[3l.\]
You need to login to perform this action.
You will be redirected in
3 sec