A = (1.0783744474090962, 9.085610145762018)
B = (5.028782762480066, 3.691974925799309)
C = (-2.764419508898537, 10.712314335855455)
D = (8.033124245634568, 4.4884026520197)
m: (-x(A)) + x(B) + x(C) - x(D)
p: (-y(A)) + y(B) + y(C) - y(D)
n: x(A) - x(C)
q: y(A) - y(C)
r_{1} = 0.8 (slider from 0 to 5)
r_{2} = 0.5 (slider from 0 to 5)
r: r_{1} + r_{2}
c = Circle(A, r_{1})
d = Circle(B, r_{1})
e = Circle(C, r_{2})
g = Circle(D, r_{2})
f(t) = (-r^(2)) + ((m^(2) + p^(2)) * t^(2)) + ((2 * ((m * n) + (p * q))) * t) + n^(2) + q^(2)
E, F = Roots(f)
h = Line(A, B)
i = Line(C, D)