Két kör metszéspontja

r_2 = 3 (slider from 0 to 10, step 0.1)
O_2 = (2, -2)
r_1 = 5 (slider from 0 to 10, step 0.1)
O_1 = (7, 1)
k_1 = Circle(O_1, r_1)
k_2 = Circle(O_2, r_2)
C, D = Intersect(k_2, k_1)