X638

ANTICOMPLEMENT OF X372

< 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, 372 }: Central Line L(2, 372) { 4, 69 }: Central Line L(4, 69) { 3, 490 }: Central Line L(3, 490) { 5, 492 }: Central Line L(5, 492) { 20, 487 }: Central Line L(20, 487) 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_372 = {X(3),X(6)}-HARMONIC CONJUGATE OF X(371) (0.7148, 0.4568) X_4 = ORTHOCENTER (0.6122, 0.3958) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_490 = CEVAPOINT OF X(20) AND X(488) (0.4037, -0.0241) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_492 = CEVAPOINT OF X(2) AND X(488) (0.4893, 0.1483) X_20 = DE LONGCHAMPS POINT (0.3878, -0.1916) X_487 = ANTICOMPLEMENT OF X(486) (1.7742, 0.6338) X_638 = ANTICOMPLEMENT OF X(372) (0.1827, -0.3137) A B C Ka Kb Kc X2 X372 X4 X69 X3 X490 X5 X492 X20 X487 X638 (a, b, c) = (5, 6, 7) | AB = 1

X638 (ANTICOMPLEMENT OF X372) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_638 = ANTICOMPLEMENT OF X_372."""

        from __future__ import annotations

        from pathlib import Path

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

        from geometor.etc.ops import (
            anticomplement,
            central_line,
            centroid_of,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00638(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_638 = ANTICOMPLEMENT OF X_372 on reference triangle ABC."""
            X_372 = eval_trilinear_point(model, A, B, C, 'cos(A +  pi  /4)', ID="X_372", classes=["center"])
            X_638 = anticomplement(model, A, B, C, X_372, ID="X_638", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            central_line(model, X_4, X_69, 4, 69, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            central_line(model, X_2, X_372, 2, 372, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_490 = eval_trilinear_point(model, A, B, C, '((cos(A))*(1 + csc(A)*sin(B)*sin(C)) - cos(B)*cos(C))', ID="X_490", classes=["center", "incident"])
            central_line(model, X_3, X_490, 3, 490, incident=True)
            return promote_point_to_top(model, X_638)


        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_638 on the given reference triangle."""
            model = create_model('X_638 = ANTICOMPLEMENT OF X_372')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00638(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-00638.json"))
            write_center_svg(
                model_acute,
                here / "x-00638.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )