Question

PLEASE HELPPPP 20 points

Answer 1

The equation of a circle is:

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

Here the center is at (1,1) and it has a radius of 2 units so:

(x-1)^2+(y-1)^2=4