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Translation Exploration by Maria Ahrens

Translation Exploration by Maria Ahrens
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2016-03-08 23:46
VectorCoordinate GeometryTransformationGeometric ConstructionSlider Animation
This example visually demonstrates the characteristics of translation for triangles using sliders and GeoGebra commands like Polygon, Vector, and Translate. It involves core math concepts such as vectors, geometric transformations, and coordinate geometry, making it suitable for middle school and above students to explore the properties of transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → D, c, a, b
  2. Polygon(E, F, G) → H, g, e, f
  3. Vector(I, E) → u
  4. Polygon(J, K, L) → M, l, j, k
  5. Rotate(J, 90°, N) → J'
  6. Rotate(K, 90°, N) → K'
  7. Rotate(L, 90°, N) → L'
  8. Polygon(J', K', L') → M', l', j', k'
  9. Rotate(J, α, O) → J'_1
  10. Rotate(K, α, O) → K'_1
  11. Rotate(L, α, O) → L'_1
  12. Polygon(J'_1, K'_1, L'_1) → M'_1, l'_1, j'_1, k'_1
  13. Vector(P, Q) → v_1
  14. Translate(E, v_1) → E'_1
  15. Translate(F, v_1) → F'_1
  16. Translate(G, v_1) → G'_1
  17. Polygon(E'_1, F'_1, G'_1) → H'_1, g'_1, e'_1, f'_1
  18. Mirror(A, xAxis) → A'
  19. Mirror(B, xAxis) → B'
  20. Mirror(C, xAxis) → C'
  21. Polygon(A', B', C') → D', c', a', b'