Question

if the area of an equilateral triangle is 64√3 cm^2 then find its side​

Answer 1

Step-by-step explanation:

Let the side of the equilateral triangle be a cm area of the triangle 

 43a2=643

⇒a2=34×64×3

⇒a2=256

⇒a=16

thus, perimeter of the triangle

=3a

=3×16

=48 cm.

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