X1447

X350-BETH CONJUGATE OF X350

X1447 = crossdifference of every pair of points on line X663X1334
< 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) { 2, 7 }: Centroid–Gergonne Line { 56, 85 }: Central Line L(56, 85) { 75, 183 }: Central Line L(75, 183) { 25, 273 }: Central Line L(25, 273) { 87, 269 }: Central Line L(87, 269) { 241, 292 }: Central Line L(241, 292) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_350 = -HIRST INVERSE OF X(75) (-3.5227, -3.1370) X_2 = CENTROID (0.5374, 0.2000) X_7 = GERGONNE POINT (0.5903, 0.2769) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_85 = ISOTOMIC CONJUGATE OF X(9) (0.5610, 0.2421) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_183 = TRILINEAR PRODUCT X(75)X(182) (0.4700, 0.1275) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_273 = ISOGONAL CONJUGATE OF X(212) (0.6191, 0.4329) X_87 = -CROSS CONJUGATE OF X(1) (0.4794, 0.1691) X_269 = ISOGONAL CONJUGATE OF X(200) (0.6369, 0.3847) X_241 = -LINE CONJUGATE OF X(55) (1.1217, 1.2442) X_292 = -HIRST INVERSE OF X(291) (1.0127, 0.0417) X_1447 = -BETH CONJUGATE OF X(350) (1.1014, 1.0207) A B C X350 X2 X7 X56 X85 X75 X183 X25 X273 X87 X269 X241 X292 X1447 (a, b, c) = (5, 6, 7) | AB = 1

X1447 (X350-BETH CONJUGATE OF X350) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1447 = X_350-BETH CONJUGATE OF X_350."""

        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,
            gergonne_point_of,
            intersect_lines,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01447(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1447 = X_350-BETH CONJUGATE OF X_350 on reference triangle ABC."""
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center"])
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center"])
            X_85 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)/(b + c - a)', ID="X_85", classes=["center"])
            central_line(model, X_2, X_7, 2, 7)
            central_line(model, X_56, X_85, 56, 85)
            X_1447 = intersect_lines(model, X_2, X_7, X_56, X_85, ID="X_1447", classes=["selected", "target"])
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            X_183 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)*cos(A-  omega  )', ID="X_183", classes=["center", "incident"])
            central_line(model, X_75, X_183, 75, 183, incident=True)
            return promote_point_to_top(model, X_1447)


        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_1447 on the given reference triangle."""
            model = create_model('X_1447 = X_350-BETH CONJUGATE OF X_350')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01447(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-01447.json"))
            write_center_svg(
                model_acute,
                here / "x-01447.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )