G = (-4.532815211884151, -15.643816819769945)
H = (-2.2716292314445385, -15.78514094354742)
e = Segment(G, H)
A = (25, -5)
B = (35, 0)
C = (10, 15)
đa giác1, c, a, b = Polygon(A, B, C)