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X₆₉₇¶

EVEN (- 4, - 3) CIRCUMCIRCLE POINT

1/[\(a^{m-1}(b^{n} + c^{n})\) - \(a^{n-1}(b^{m} + c^{m})\)],

hence the name “(m, n)-circumcircle point”.

X₆₉₇ (EVEN (- 4, - 3) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_697 = EVEN (- 4, - 3) CIRCUMCIRCLE POINT."""

        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,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00697(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_697 = EVEN (- 4, - 3) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_696 = eval_trilinear_point(model, A, B, C, '(a **(-5)*(b **(-3) + c **(-3)) - a **(-4)*(b **(-4) + c **(-4)))', ID="X_696", classes=["center"])
            X_697 = isogonal_conjugate(model, A, B, C, X_696, ID="X_697", classes=["selected", "target"])
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            X_560 = eval_trilinear_point(model, A, B, C, 'a**(4)', ID="X_560", classes=["center", "incident"])
            central_line(model, X_100, X_560, 100, 560, incident=True)
            return promote_point_to_top(model, X_697)


        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_697 on the given reference triangle."""
            model = create_model('X_697 = EVEN (- 4, - 3) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00697(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-00697.json"))
            write_center_svg(
                model_acute,
                here / "x-00697.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X697¶

X₆₉₇¶