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

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Solution

given that
side of the equilateral triangle $= l$
In equilateral triangle all sides are equal
$∴$ side 1=side 2=side 3.
So, perimeter $= l + l + l$
$= 3 l$

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

given that side of the equilateral triangle=lIn equilateral triangle all sides are equal∴ side 1=side 2=side 3.So, perimeter=l+l+l =3l

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

given that
side of the equilateral triangle $= l$
In equilateral triangle all sides are equal
$∴$ side 1=side 2=side 3.
So, perimeter $= l + l + l$
$= 3 l$