Answer:
<h2>r = 25</h2><h2>c = 20</h2><h2>k = 9 or k = -5</h2>
Step-by-step explanation:
Circle of center A(2, 0) and radius r.
P (22, 15), Q(−13, c) and R (k, 24) all lie on a circle,
Q(−13, c) lies on the circle then ,
R (k, 24) lies on the circle then ,