körülírt kör

f_a

f_b

f_c

A = (3, 9)
B = (2, 1)
C = (10, 1)
t1, c, a, b = Polygon(A, B, C)
f_a = LineBisector(a)
f_b = LineBisector(b)
f_c = LineBisector(c)
O = Intersect(f_a, f_b)
d = Circle(O, A)
e = false
f = true
g = false
h = false