The median of an equilateral triangle is 6√3 cm. The

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The median of an equilateral triangle is 6√3 cm. The area (in cm2) of the triangle is

Using Rule 6,

AB = BC = AC = a cm AD = Median = 6√3 cm.

∴	√3	a = 6√3
	2

⇒ a =	6√3 × 2	= 12 cm.
	√3

∴ Area of ∆ABC =	√3	× side² =	√3	× 12 × 12
	4		4

= 36√3 sq. cm.