Question

Express the Perimeter of a Equilateral triangle in terms of a if the side of the triangle is a units

Answer 1

Answer:

side of the equilateral triangle=l

In equilateral triangle all sides are equal

∴ side 1=side 2=side 3.

So, perimeter=1+1+1

=3l

Answer 2

Answer:

Perimeter of equilateral triangle is 3l