Answer:
27√3
Step-by-step explanation:
Length of a side of an equilateral triangle inscribed in a circle =
r√3, where r is the radius of the circle
Therefore, Area =
√3 a^2/4
a=6√3
a/Asin = b/Bsin = c/Csin
c = a * sin C/sin A = 6(sin 120/sin 30) = 6√3
