Problem: in the coordinate plane , a circle centered on point ( - 3 , 4 ) passes through point ( 1 , 1 ) . what is the area of the circle ?
Rationale: "r ^ 2 = ( - 3 - 1 ) ^ 2 + ( 4 - 1 ) ^ 2 = 16 + 9 = 25 area of circle = π r ^ 2 = 25 π answer : c"
annotated_formula: circle_area(sqrt(add(power(subtract(3, 1), const_2), power(add(1, 4), const_2))))