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Dilations by Patricia Arnold

Dilations by Patricia Arnold
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2016-10-03 03:15
FunctionTrigonometryTransformation
This example demonstrates the dilation transformation. Key mathematical concepts include geometric transformations, specifically dilations. Using GeoGebra commands such as Dilate and Polygon, the transformation of a figure can be constructed. Suitable for students at the middle school level and above.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Dilate(A, K, D) → A'
  3. Dilate(B, K, D) → B'
  4. Dilate(C, K, D) → C'
  5. Polygon(A', B', C') → poly1', c', a', b'
  6. Ray(D, A) → f
  7. Ray(D, B) → g
  8. Ray(D, C) → h
  9. Ray(D, A') → i
  10. Ray(D, B') → j
  11. Ray(D, C') → k
  12. Distance(A, B) → distanceAB
  13. Angle(A, C, B) → α
  14. Angle(B, A, C) → β
  15. Segment(B, C) → l
  16. Angle(C, B, A) → γ
  17. Angle(B', A', C') → δ
  18. Angle(C', B', A') → ε
  19. Angle(A', C', B') → ζ