X50

X74-CEVA CONJUGATE OF X184

X50 = crosssum of X49 and X50
< 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) { 3, 6 }: Brocard Axis { 67, 248 }: Central Line L(67, 248) { 115, 231 }: Central Line L(115, 231) { 112, 477 }: Central Line L(112, 477) { 338, 401 }: Central Line L(338, 401) { 230, 858 }: Central Line L(230, 858) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_67 = ISOGONAL CONJUGATE OF X(23) (0.7606, -0.2152) X_248 = -LINE CONJUGATE OF X(132) (0.8229, -0.0790) X_115 = CENTER OF KIEPERT HYPERBOLA (0.7507, 0.0838) X_231 = -CEVA CONJUGATE OF X(128) (1.0375, 0.6458) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_477 = TIXIER ANTIPODE (0.0176, -0.0644) X_338 = CEVAPOINT OF X(115) AND X(125) (0.6941, 0.0587) X_401 = BAILEY POINT (-0.0758, -1.4044) X_230 = -CEVA CONJUGATE OF X(114) (0.9746, 0.6698) X_858 = COMPLEMENT OF X(23) (0.1126, -0.9116) X_50 = -CEVA CONJUGATE OF X(184) (2.1559, 2.8368) A B C X74 X184 X3 X6 X67 X248 X115 X231 X112 X477 X338 X401 X230 X858 X50 (a, b, c) = (5, 6, 7) | AB = 1

X50 (X74-CEVA CONJUGATE OF X184) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_50 = X_74-CEVA CONJUGATE OF X_184."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00050(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_50 = X_74-CEVA CONJUGATE OF X_184 on reference triangle ABC."""
            X_50 = eval_trilinear_point(model, A, B, C, 'sin(3*A)', ID="X_50", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_3, X_6, 3, 6, incident=True)
            X_67 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_67", classes=["center", "incident"])
            X_248 = eval_trilinear_point(model, A, B, C, 'sin(2*A)*sec(A +  omega  )', ID="X_248", classes=["center", "incident"])
            central_line(model, X_67, X_248, 67, 248, incident=True)
            X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
            X_231 = eval_trilinear_point(model, A, B, C, '(cos(B))*(4*(sin(C))**(2) - 1)*(cos(A)*sin(B) - sin(A)*cos(B)) - (cos(C))*(4*(sin(B))**(2) - 1)*(cos(C)*sin(A) - sin(C)*cos(A))', ID="X_231", classes=["center", "incident"])
            central_line(model, X_115, X_231, 115, 231, incident=True)
            return promote_point_to_top(model, X_50)


        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_50 on the given reference triangle."""
            model = create_model('X_50 = X_74-CEVA CONJUGATE OF X_184')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00050(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-00050.json"))
            write_center_svg(
                model_acute,
                here / "x-00050.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )