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X₃₂₂₈¶

SS(a → bc) OF X₁₁₁

X₃₂₂₈ (SS(a → bc) OF X₁₁₁) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_3228 = SS(a → bc) OF X_111."""

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


        def construct_x_03228(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3228 = SS(a → bc) OF X_111 on reference triangle ABC."""
            X_3228 = eval_trilinear_point(model, A, B, C, '(b*c/(2*b**(2)*c**(2) - a**(2)*b**(2) - a**(2)*c**(2)))', ID="X_3228", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            central_line(model, X_6, X_99, 6, 99, incident=True)
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
            central_line(model, X_42, X_190, 42, 190, incident=True)
            X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center", "incident"])
            X_385 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(4) - b**(2)*c**(2))', ID="X_385", classes=["center", "incident"])
            central_line(model, X_111, X_385, 111, 385, incident=True)
            return promote_point_to_top(model, X_3228)


        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_3228 on the given reference triangle."""
            model = create_model('X_3228 = SS(a → bc) OF X_111')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03228(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-03228.json"))
            write_center_svg(
                model_acute,
                here / "x-03228.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X3228¶

X₃₂₂₈¶