P_1

P_2

(d)

Δ

Δ

A = (17.144866788750676, -6.944675738924616, 0)
B = (-21.61267747658546, 1.554346339969186, 0)
C = Point(zAxis)
D = (4.152554019959908, 8.697663536919904, -0.08128664987087486)
E = (-8.22064725077373, -8.268730499238515, 1.7763568394002505E-15)
F = (-13.336812788094718, 0.07803895776092418, 9.000000000000007)
a = Line(D, E)
b = Line(A, a)
c = Line(B, a)
d = Plane(C, b)
e = Plane(F, c)
f = IntersectPath(d, e)
G = Point(f)