X = 

Đáp số

A = (39.81014055595783, 16.938734862733575)
B = (55.329989381411266, 17.14705498119605)
a = Segment(A, B)
C = (35.79997827555543, 1.0543258299708336)
b = Segment(B, C)
c = Line(C, a)
D = Point(c)
d = Segment(A, D)
O = Intersect(b, d)
e = OrthogonalLine(O, a)
E = Intersect(e, a)
F = Intersect(c, e)
g = Segment(A, E)
h = Segment(E, B)
i = Segment(C, F)
j = Segment(F, D)
f = Segment(E, O)
X = Segment(O, F)
l = Distance(h, f)
đa giác1, a_1, d_1, c_1, b_1 = Polygon(A, D, C, B)
α = Angle(O, F, C)
β = Angle(A, E, O)
text2: X + ""
k = false