The length of each side of an equilateral triangle having an area of 9√3 cm² is

6 cm

Step-by-step explanation:

Let each side of the equilateral triangle be a.

Given, area of an equilateral triangle = 9√3 cm2

Area of an equilateral triangle = (√3)/4 × (Side)²

=> (√3)/4 × a² = 9√3

=> a² = 36

∴ Side = 6 cm  [taking positive square root because side is always positive]

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option: d is correct

step-by-step explanation: