ANSWER :
The center-radius form of the circle equation is in the format (x – h)2 + (y – k)2 = r2, with the center being at the point (h, k) and the radius being "r". This form of the equation is helpful, since you can easily find the center and the radius.
slope of GH
and
lenght of FG
Each friend pays $2250/5 = $450 per month as a shared resident.