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X(4), X(155)

infinite points of K003

points of (K) = pK(X6,X155) on (O)

vertices of the cevian triangle of X(1993)

Geometric properties :

K1140 = psK(X25, X1993, X4) = spK(X3, X1147) is a stelloid with radial center X(5654) and asymptotes parallel to those of K003. See CL006 and CL055, also K350.

K1140 and K003 meet at A, B, C, X(4), three points at infinity and two other isogonal conjugate points on the line (L) = X(3)X(155), on (K), on the circum-conic (C) with perspector X(2501).