Correct Answer: 6√3 cm
Explanation:
According to the question, √3a2/4 = 3√3 [ side = a, and area = √3a2/4] ⇒ a2/4 = 3 ⇒ a2 = 3 x 4 ∴ a = 2√3∴ Required perimeter = 3a =3 x 2√3 = 6√3 cm
