Question

Find the perimeter of an equilateral triangle whose each side is 7 cm?​

Answer 1

Answer:

perimeter = 21 m

Step-by-step explanation:

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Answer 2

Answer:

Hence the perimeter of the equilateral triangle is 21 cm.

Step-by-step explanation:

According to the information provided in the question.

It is stated in the preceding question that,

The presented information is side of an equilateral triangle is 51 cm.

We need to find the perimeter of equilateral triangle.

The formula of perimeter of the equilateral triangle is as bellow,

$P=3a$

Where a is the side of the triangle,

Substitute the value of side that is 7cm in the above equation we get,

$P=3\times 7\\P=21cm$

Hence the side of the equilateral triangle is 21 cm.