A = (2.8971113471613545, 8.1525920172525)
B = (1.6721311475409855, 3.557377049180328)
C = (8.770491803278693, 3.557377049180328)
t1, c, a, b = Polygon(A, B, C)
D = Point(a)
E = Point(b)
f = Segment(A, D)
g = Segment(B, E)
O = Intersect(f, g)
F = Intersect(Line[C, O], Segment[A, B])
h = Segment(C, F)
L = Intersect(Line[E, F], Line[B, C])
i = Segment(L, E)
j = Segment(L, C)