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Teselación {6, 4}: Geometric Construction and Analysis Using Circles and Polygon

Teselación {6, 4}: Geometric Construction and Analysis Using Circles and Polygon
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2025-08-19 02:06
In collections Teselaciones regulares
This example demonstrates how to construct and analyze geometric figures using circles, intersecting lines, and polygons. Key mathematical concepts include geometric construction, properties of circles, inscribed polygons, and coordinate geometry. The construction involves GeoGebra commands such as Circle, Intersect, Polygon, CircumcircleArc, etc. It is suitable for high school students or college

GeoGebra Commands & Parameters

  1. Circle((0, 0), 1) → c
  2. Intersect(Circle[((1 - (sin(pi / p) / cos(pi / q))^(2))^(-1 / 2), 0), ((cos(pi / q) / sin(pi / p))^(2) - 1)^(-1 / 2)], Ray[(0, 0), Rotate[(1, 0), pi / p]], 1) → P0
  3. Sequence(Rotate[P0, ((k * 2) * pi / p)], k, 0, p - 1) → V
  4. Circle(Mirror[V(p), c], V(p), V(1)) → hc1
  5. Polygon(pV) → actualp
  6. Flatten(Join[{{Vac(p)}, {Vac \ {Vac(p)}}}]) → Vacp
  7. Flatten(Join[{{Vac \ {Vac(1)}}, {Vac(1)}}]) → Vac2
  8. Intersect(hc1, Ray[(V(1) + V(p)) / 2, (0, 0)]) → V0,
  9. CircumcircleArc(V(p), V0, V(1)) → arcoCelda
  10. Join(Sequence[Rotate[Sequence[Point[arcoCelda, s], s, 0, 0.9, 0.1], ((2 * k) * pi / p)], k, 0, p - 1]) → celda0
  11. Polygon(celda0) → pol
  12. Sequence({Vac(k), q - 1, ncActual}, k, 3, p - 1) → Vplus
  13. If(floor(p / 2) ≠ p / 2 ∧ q ≟ 3, 4, floor(q / 2) ≟ q / 2, 2, 3) → nc
  14. Sequence({V(k), q - 1, 0}, k, 1, p) → vert0
  15. Flatten(Join[{{Vac \ {Vac(1), Vac(2)}}, {Vac(1), Vac(2)}}]) → Vac2'
  16. Flatten(Join[{{Vac(p - 1), Vac(p)}, {Vac \ {Vac(p - 1), Vac(p)}}}]) → Vacp'