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A = (3.5953802021234487, 3.163358300351451)
B = (8.419170466080724, 4.086661905562023)
f = Segment(A, B)
g = OrthogonalLine(A, f)
h = OrthogonalLine(B, f)
c = Circle(B, A)
C = Intersect(c, h, 2)
i = OrthogonalLine(C, h)
D = Intersect(g, i)
c1, a, b, c_1, d = Polygon(A, B, C, D)