The side of an equilateral triangle is shown by 1 - What do we get when we express the perimeter of the equilateral triangle using l -

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Algebraic Expressions in Perimeter Formulae

The side of a...

Question

The side of an equilateral triangle is shown by $l$ . What do we get when we express the perimeter of the equilateral triangle using $l$ ?

4 l

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5 l

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3 l

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2 l

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Solution

The correct option is C $3 l$
An equilateral triangle is a triangle with three equal sides.

Given, side of the equilateral triangle = $l$

Perimeter is the total sum of lengths of all the bounding sides of a planar object.

$∴$ Perimeter of an equilateral triangle = $l + l + l$ = $3 \times l$ = $3 l$

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The side of an equilateral triangle is shown by l. What do we get when we express the perimeter of the equilateral triangle using l?

The correct option is C 3lAn equilateral triangle is a triangle with three equal sides. Given, side of the equilateral triangle = l Perimeter is the total sum of lengths of all the bounding sides of a planar object. ∴ Perimeter of an equilateral triangle = l+l+l = 3×l = 3l

The side of an equilateral triangle is shown by $l$ . What do we get when we express the perimeter of the equilateral triangle using $l$ ?