A = (1.12, 4.8)
B = (-0.9, 1.62)
C = (5.34, 3.26)
kuvio1, c, a, b = Polygon(A, B, C)
f = LineBisector(A, B)
g = LineBisector(A, C)
h = LineBisector(C, B)
D = Intersect(f, g)
d = Circle(D, C)