X3492

INTERSECTION OF LINES X4X_83 AND X32X_695

< 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) { 4, 83 }: Central Line L(4, 83) { 184, 194 }: Central Line L(184, 194) { 32, 695 }: Central Line L(32, 695) { 39, 1915 }: Central Line L(39, 1915) { 1, 3497 }: Central Line L(1, 3497) { 3500, 3502 }: Central Line L(3500, 3502) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_384 = THE CONWAY POINT: EULER LINE INTERCEPT OF LINE X(32)X(76) (0.5532, 0.2412) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_4 = ORTHOCENTER (0.6122, 0.3958) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_194 = -CEVA CONJUGATE OF X(2) (0.6989, 0.3222) X_695 = ISOGONAL CONJUGATE OF X(384) (0.5903, 0.2249) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_1915 = CROSSSUM OF PU(11) (0.6078, 0.3108) X_1 = INCENTER (0.5714, 0.2333) X_3497 = ISOGONAL CONJUGATE OF X(3496) (0.6174, 0.3711) X_3500 = INTERSECTION OF LINES X(1)X(295) AND X(3)X(238) (0.5973, 0.2216) X_3502 = ISOGONAL CONJUGATE OF X(3494) (0.6508, 0.3268) X_3492 = INTERSECTION OF LINES X(4)X(83) AND X(32)X(695) (0.5108, 0.0518) A B C X384 X32 X4 X83 X184 X194 X695 X39 X1915 X1 X3497 X3500 X3502 X3492 (a, b, c) = (5, 6, 7) | AB = 1

X3492 (INTERSECTION OF LINES X4X_83 AND X32X_695) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3492 = INTERSECTION OF LINES X_4X_83 AND X_32X_695."""

        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,
            ceva_conjugate,
            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_03492(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3492 = INTERSECTION OF LINES X_4X_83 AND X_32X_695 on reference triangle ABC."""
            X_384 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(4) + b**(2)*c**(2))', ID="X_384", classes=["center"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center"])
            X_3492 = ceva_conjugate(model, A, B, C, X_384, X_32, ID="X_3492", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_83 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) + c**(2))', ID="X_83", classes=["center", "incident"])
            central_line(model, X_4, X_83, 4, 83, incident=True)
            X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
            X_194 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*b**(2) + a**(2)*c**(2) - b**(2)*c**(2))', ID="X_194", classes=["center", "incident"])
            central_line(model, X_184, X_194, 184, 194, incident=True)
            X_695 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) + b**(2)*c**(2))', ID="X_695", classes=["center", "incident"])
            central_line(model, X_32, X_695, 32, 695, incident=True)
            return promote_point_to_top(model, X_3492)


        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_3492 on the given reference triangle."""
            model = create_model('X_3492 = INTERSECTION OF LINES X_4X_83 AND X_32X_695')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03492(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-03492.json"))
            write_center_svg(
                model_acute,
                here / "x-03492.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )