Question

perimeter of an equilateral triangle is 78m then find its side​

Answer 1

since equilateral triangles have it's all sides equal

let side of triangle be 'a'

perimeter=78

3a=78

a=78/3

a=29

Answer 2

Step-by-step explanation:

Given:-

perimeter of an equilateral triangle=78 m

Let:-

three equal sides of the triangle=a, a, a

Hence,

• PERIMETER= SUM OF ALL SIDES
• 78=a+a+a
• 78=3a
• 78/3=a
• 26=a

Hence,

Side of a triangle (a) =26m , each

_Ans.

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