Q

# The side of an equilateral triangle is shown by l. Express the perimeter of the equilateral triangle using l.

Q. 1.     The side of an equilateral triangle is shown by $l$. Express the perimeter of the equilateral triangle using $l.$

The side of an equilateral triangle is $l$.
Therefore, the perimeter of the equilateral triangle $=3 \times side=3l$