Find the equation of a circle circumscribed about triangle with vertices (1,4) (5,4) and (2,-2)
A) (x-3)^2 + (y-5/4)^2=185/16
B) (x-3)^2 + (y-2)^2=9
C) (x-2)^2 + (y-3)^2=9
D) (x-5/4)^2 + (y-3)^2=18/16