X555¶
(X1,X158)-ANSWER TO QUESTION A
X555 = isotomic conjugate of X6731
X555 ((X1,X158)-ANSWER TO QUESTION A) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶
"""GEOMETOR construction model for X_555 = (X_1,X_158)-ANSWER TO QUESTION A."""
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,
gergonne_point_of,
promote_point_to_top,
)
from geometor.etc.render import write_center_svg
def construct_x_00555(
model: Model, A: spg.Point, B: spg.Point, C: spg.Point
) -> spg.Point:
"""Construct X_555 = (X_1,X_158)-ANSWER TO QUESTION A on reference triangle ABC."""
X_555 = eval_trilinear_point(model, A, B, C, '(sec(A/2))**(3)', ID="X_555", classes=["selected", "target"])
X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
X_177 = eval_trilinear_point(model, A, B, C, '(cos(B/2) + cos(C/2))*sec(A/2)', ID="X_177", classes=["center", "incident"])
central_line(model, X_7, X_177, 7, 177, incident=True)
X_234 = eval_trilinear_point(model, A, B, C, '((cos(B/2) + cos(C/2))*(cos(B/2)*cos(C/2))**(2))', ID="X_234", classes=["center", "incident"])
X_1088 = eval_trilinear_point(model, A, B, C, '(sec(A/2))**(4)', ID="X_1088", classes=["center", "incident"])
central_line(model, X_234, X_1088, 234, 1088, incident=True)
X_85 = eval_trilinear_point(model, A, B, C, 'b**(2)*c**(2)/(b + c - a)', ID="X_85", classes=["center", "incident"])
X_2090 = eval_trilinear_point(model, A, B, C, '((sin(B/2) + sin(C/2))*csc(A))', ID="X_2090", classes=["center", "incident"])
central_line(model, X_85, X_2090, 85, 2090, incident=True)
return promote_point_to_top(model, X_555)
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_555 on the given reference triangle."""
model = create_model('X_555 = (X_1,X_158)-ANSWER TO QUESTION A')
A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
construct_x_00555(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-00555.json"))
write_center_svg(
model_acute,
here / "x-00555.svg",
subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
)