X3541

EULER LINE INTERCEPT OF LINE X33X_499

X3541 = inverse-in-orthocentroidal-circle of X3542
< 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, 3549 }: Euler Line { 2, 3 }: Euler Line { 54, 66 }: Central Line L(54, 66) { 254, 264 }: Central Line L(254, 264) { 33, 499 }: Central Line L(33, 499) { 34, 498 }: Central Line L(34, 498) 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_3549 = EULER LINE INTERCEPT OF LINE X(68)X(184) (0.5119, 0.1331) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_54 = KOSNITA POINT (0.5880, 0.2176) X_66 = ISOGONAL CONJUGATE OF X(22) (0.5912, 1.0593) X_254 = -CROSS CONJUGATE OF X(4) (1.4506, 0.5587) X_264 = ISOTOMIC CONJUGATE OF CIRCUMCENTER (0.5720, 0.3293) X_33 = PERSPECTOR OF THE ORTHIC AND INTANGENTS TRIANGLES (0.6019, 0.3546) X_499 = {X(1),X(2)}-HARMONIC CONJUGATE OF X(498) (0.4458, 0.1102) X_34 = -BETH CONJUGATE OF X(4) (0.6332, 0.4792) X_498 = YFF CONCURRENT CONGRUENT CIRCLES POINT (0.5518, 0.2140) X_3541 = EULER LINE INTERCEPT OF LINE X(33)X(499) (0.5885, 0.3336) A B C Ka Kb Kc X2 X3549 X3 X54 X66 X254 X264 X33 X499 X34 X498 X3541 (a, b, c) = (5, 6, 7) | AB = 1

X3541 (EULER LINE INTERCEPT OF LINE X33X_499) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3541 = EULER LINE INTERCEPT OF LINE X_33X_499."""

        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_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03541(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3541 = EULER LINE INTERCEPT OF LINE X_33X_499 on reference triangle ABC."""
            X_3541 = eval_trilinear_point(model, A, B, C, '(sec(A) + 2*sin(B)*sin(C))', ID="X_3541", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center", "incident"])
            X_66 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(4) + c**(4) - a**(4))', ID="X_66", classes=["center", "incident"])
            central_line(model, X_54, X_66, 54, 66, incident=True)
            X_254 = eval_trilinear_point(model, A, B, C, '(sec(A))/((cos(B))**(2) + (cos(C))**(2) - (cos(A))**(2))', ID="X_254", classes=["center", "incident"])
            X_264 = eval_trilinear_point(model, A, B, C, 'csc(A)*csc(2*A)', ID="X_264", classes=["center", "incident"])
            central_line(model, X_254, X_264, 254, 264, incident=True)
            return promote_point_to_top(model, X_3541)


        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_3541 on the given reference triangle."""
            model = create_model('X_3541 = EULER LINE INTERCEPT OF LINE X_33X_499')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03541(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-03541.json"))
            write_center_svg(
                model_acute,
                here / "x-03541.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )