If the incentre of an equilateral triangle lies inside the

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If the incentre of an equilateral triangle lies inside the triangle and its radius is 3 cm, then the side of the equilateral triangle is

1. 9√3 cm
2. 6√3 cm
3. 3√3 cm
4. 6 cm

Correct Option: B

As we know that ,

In radius =	Side
	2√3

⇒ 3 =	Side	⇒ Side = 3 × 2√3
	2√3

∴ Side = 6 √3 cm.