X2895

ANTICOMPLEMENTARY CONJUGATE OF X75

X2895 = reflection of X81 in X1211
< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 81, 1211 }: Centroid–Symmedian Line { 2, 6 }: Centroid–Symmedian Line { 8, 79 }: Central Line L(8, 79) { 319, 321 }: Central Line L(319, 321) { 314, 1230 }: Central Line L(314, 1230) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_81 = CEVAPOINT OF INCENTER AND SYMMEDIAN POINT (0.5849, 0.2510) X_1211 = ISOGONAL CONJUGATE OF X(1169) (0.5137, 0.1744) X_2 = CENTROID (0.5374, 0.2000) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_8 = NAGEL POINT (0.4694, 0.1333) X_79 = ISOGONAL CONJUGATE OF X(35) (0.5976, 0.3019) X_319 = ISOTOMIC CONJUGATE OF X(79) (0.4549, 0.1161) X_321 = ISOTOMIC CONJUGATE OF X(81) (0.4800, 0.1527) X_314 = ISOTOMIC CONJUGATE OF X(65) (0.4457, 0.1206) X_1230 = ISOTOMIC CONJUGATE OF X(1171) (0.4472, 0.1317) X_2895 = ANTICOMPLEMENTARY CONJUGATE OF X(75) (0.4425, 0.0979) A B C X81 X1211 X2 X6 X8 X79 X319 X321 X314 X1230 X2895 (a, b, c) = (5, 6, 7) | AB = 1

X2895 (ANTICOMPLEMENTARY CONJUGATE OF X75) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2895 = ANTICOMPLEMENTARY CONJUGATE OF X_75."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            nagel_point_of,
            promote_point_to_top,
            reflection_in_point,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02895(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2895 = ANTICOMPLEMENTARY CONJUGATE OF X_75 on reference triangle ABC."""
            X_81 = eval_trilinear_point(model, A, B, C, '1/(b + c)', ID="X_81", classes=["center"])
            X_1211 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c)*(b**(2) + c**(2) + a*b + a*c))', ID="X_1211", classes=["center"])
            X_2895 = reflection_in_point(model, X_81, X_1211, ID="X_2895", classes=["selected", "target"], guide=False)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_2, X_6, 2, 6, incident=True)
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_79 = eval_trilinear_point(model, A, B, C, '1/(1 + 2*cos(A))', ID="X_79", classes=["center", "incident"])
            central_line(model, X_8, X_79, 8, 79, incident=True)
            X_319 = eval_trilinear_point(model, A, B, C, '(1 + 2*cos(A))/a**(2)', ID="X_319", classes=["center", "incident"])
            X_321 = eval_trilinear_point(model, A, B, C, '(b + c)*b**(2)*c**(2)', ID="X_321", classes=["center", "incident"])
            central_line(model, X_319, X_321, 319, 321, incident=True)
            return promote_point_to_top(model, X_2895)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_2895 on the given reference triangle."""
            model = create_model('X_2895 = ANTICOMPLEMENTARY CONJUGATE OF X_75')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02895(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-02895.json"))
            write_center_svg(
                model_acute,
                here / "x-02895.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )