R-r

R+r

Kreis von innen berühren

Kreis außen berühren

Gerade links berühren

r = 1.1 (slider from 0 to 5, step 0.1)
M = (5.54, -1.54)
B = (9.66, -1.5)
c = Circle(M, B)
R = Segment(M, B)
b = OrthogonalLine(B, R)
T = Point(c)
d = Ray(M, T)
e = Circle(T, r)
M_i = Intersect(e, d, 1)
M_a = Intersect(e, d, 2)
f = Circle(M_i, r)
g = Circle(M_a, r)
C = Point(b)
h = OrthogonalLine(C, b)
k = Circle(C, r)
M_3 = Intersect(k, h, 2)
p = Circle(M_3, r)
a = Segment(M, M_i)
i = Segment(M, M_a)
j = false
l = false
m = false