If the side of equilateral triangle is $l$ , then express the perimeter of the triangle in terms of $l$ .

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Solution

Given, side of equilateral triangle $= l$
And,
Perimeter of a triangle $=$ sum of all sides of triangle
$= l + l + l$
$= 3 l$

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If the side of equilateral triangle is l, then express the perimeter of the triangle in terms of l.

Given, side of equilateral triangle =lAnd,Perimeter of a triangle =sum of all sides of triangle =l+l+l =3l

If the side of equilateral triangle is $l$ , then express the perimeter of the triangle in terms of $l$ .

Given, side of equilateral triangle $= l$
And,
Perimeter of a triangle $=$ sum of all sides of triangle
$= l + l + l$
$= 3 l$