Question

The radius of the circle whose equation is (x + 4)² + (y - 2)² = 36 is 36 18 6

Answer 1

The equation of a circles is:

(x-h)^2+(y-k)^2+r^2, where (h,k) is the center of the circle and r is the radius

r^2=36

r=√36

r=6

Answer 2

`36=r^2\\r=6`