Question

given an equilateral triangle with sides 6cm long.(a)calculate the perimeter of the triangle using a formula. SHOW ALL YOUR WORKING

Answer 1

given

side =a =6 CM

perimeter of equvilateral triangle = 3a

p= 3 X 6

p= 18 cm

Answer 2

Answer:

Step-by-step explanation:

Hello kid i hope my answer would be helpful to u

Now the formula for calculating the perimeter of a triangle is = sum of all the sides of a triangle. i.e 6+6+6=18

Or

Perimeter of an equilateral triangle is=3(side of the triangle)