1) what is the coordinate of the center of circle A) 2: what is the radius of circle A) 3: what is the diameter of circle A) 4: what is the circumference of circle A) ( for example, C=2*pi*r

1 what is the coordinate of the center of circle A 2 what is the radius of circle A 3 what is the diameter of circle A 4 what is the circumference of circle A f class=