Question

If the side of an equilateral triangle is 3.5 cm, what is its perimeter​

Answer 1

Hey there!

Answer:

P = 10.5 cm

Step-by-step explanation:

Given,

Side of triangle = 3.5 cm

Perimeter  = 3 * side

                  = 3 * 3.5

                  = 10.5 cm

Hope It Helps You!

Answer 2

Answer:10.5cm

Step-by-step explanation:

Perimeter of equilateral triangle = 3×side of the triangle

= 3×3.5 cm = 10.5cm