Question

The side of an equilateral triangle is 3.5 cm. find its perimeter​

Answer 1

Answer:

3.5 x 3 = 10.5

Step-by-step explanation:

hope I help u

Answer 2

$\Large\sf{Required \: Answer :}$

10.5 cm

Step-by-step explanation:

Given,

• The side of an equilateral triangle = 3.5cm

To find,

• The perimeter

Knowledge Required,

• All the 3 sides of a equilateral triangle are equal.

Finding perimeter :

The sum of 3 sides of a equilateral triangle = Perimeter

⇒3.5 + 3.5 + 3.5 = Perimeter

⇒7 + 3.5 = Perimeter

⇒10.5 = Perimeter

Hence, the perimeter of the equilateral triangle is 10.5cm.