X930

ANTICOMPLEMENT OF X137

< A B C >: Reference Triangle △ABC < K_a K_b K_c >: Anticomplementary Triangle △K_a K_b K_c [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 137 }: Central Line L(2, 137) { 4, 128 }: Central Line L(4, 128) { 3, 252 }: Central Line L(3, 252) { 74, 550 }: Central Line L(74, 550) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) K_a = Anticomplementary Vertex K_a (1.6122, 0.5999) K_b = Anticomplementary Vertex K_b (-0.3878, 0.5999) K_c = Anticomplementary Vertex K_c (0.3878, -0.5999) X_2 = CENTROID (0.5374, 0.2000) X_137 = -OF-ORTHIC-TRIANGLE (0.7813, 0.1289) X_4 = ORTHOCENTER (0.6122, 0.3958) X_128 = -OF-ORTHIC-TRIANGLE (0.3310, 0.3690) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_252 = ISOGONAL CONJUGATE OF X(143) (0.4565, 0.1253) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_550 = MIDPOINT OF X(3) AND X(20) (0.4439, -0.0448) X_930 = ANTICOMPLEMENT OF X(137) (0.0497, 0.3422) A B C Ka Kb Kc X2 X137 X4 X128 X3 X252 X74 X550 X930 (a, b, c) = (5, 6, 7) | AB = 1

X930 (ANTICOMPLEMENT OF X137) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_930 = ANTICOMPLEMENT OF X_137."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            orthocenter_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00930(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_930 = ANTICOMPLEMENT OF X_137 on reference triangle ABC."""
            X_930 = eval_barycentric_point(model, A, B, C, '1/((b**(2) - c**(2))*(a**(4) + b**(4) + c**(4) - 2*a**(2)*b**(2) - 2*a**(2)*c**(2) - b**(2)*c**(2)))', ID="X_930", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_128 = eval_trilinear_point(model, A, B, C, '((sec(A))*(cos(2*B) + cos(2*C))*(1 + 2*cos(2*A))*(cos(2*A) + 2*cos(2*B)*cos(2*C)))', ID="X_128", classes=["center", "incident"])
            central_line(model, X_4, X_128, 4, 128, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_137 = point_from_barycentrics(model, A, B, C, 0.1354431, 0.64976082, 0.21479608, ID="X_137", classes=["center", "incident"])
            central_line(model, X_2, X_137, 2, 137, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_252 = eval_trilinear_point(model, A, B, C, '(sec(B - C)/(1 - 2*cos(2*A)))', ID="X_252", classes=["center", "incident"])
            central_line(model, X_3, X_252, 3, 252, incident=True)
            return promote_point_to_top(model, X_930)


        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_930 on the given reference triangle."""
            model = create_model('X_930 = ANTICOMPLEMENT OF X_137')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00930(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-00930.json"))
            write_center_svg(
                model_acute,
                here / "x-00930.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )