Describe the process of finding the equation of the circle whose center is 2,6 and that goes through the point -1,9.

A) (x - 2)² + (y - 6)² = 52
B) (x + 2)² + (y + 6)² = 52
C) (x - 2)² + (y - 6)² = 34
D) (x + 2)² + (y + 6)² = 34