EF = 

BF = 

Đáp số

A = (38.70205554930031, 13.668607518925636)
B = (62.961871035171875, 13.879562436194083)
a = Segment(A, B)
D = (43.97592848101152, 0.8003575655502819)
b = Segment(A, D)
c = Line(D, a)
d = Line(B, b)
C = Intersect(c, d)
E = Point(a)
e = Line(D, E)
F = Intersect(d, e)
f = Segment(F, B)
g = Segment(B, C)
i = Segment(D, C)
h = Segment(F, E)
j = Segment(E, D)
k = Segment(A, E)
text3: h + ""
text4: f + ""
l = false