Right here we have a hexagon. Each side is going to be 6 since 360/6 = 6
Now.. I don't know how BF = 6SQRT3
I tried drawing a altitude from Angle A to BF but that didn't work. I got 6SQRT for half of BF.
and CF = 12 but I don't know how. I know it's a 30 60 90 special triangle.