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Rotation Isometry Proof

Rotation Isometry Proof
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2017-12-27 11:40
PolygonAngleTransformation
This example demonstrates the proof of rotation isometry. Key mathematical concepts include rotation, angle, and polygon. Using GeoGebra commands such as Segment, Rotate, Angle, and Polygon, the properties of rotation isometry are dynamically illustrated. Suitable for high school geometry learners and educators.

GeoGebra Commands & Parameters

  1. Segment(A, B) → f
  2. Rotate(A, α, C) → A'
  3. Rotate(B, α, C) → B'
  4. Segment(A', B') → f'
  5. Segment(C, A) → g
  6. Segment(C, A') → h
  7. Angle(B, C, B') → β
  8. Angle(A, C, A') → γ
  9. Angle(A', C, B') → ε
  10. Angle(A, C, B) → ζ
  11. Polygon(B', C, A') → poly1, a', b', c
  12. Polygon(C, A, B) → poly2, b, c_1, a_1
  13. Segment(D, E) → i
  14. Segment(E, F) → j
  15. Segment(F, G) → k
  16. Segment(G, D) → l