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Dilation Example by Shesha Kanta Pangeni

Dilation Example by Shesha Kanta Pangeni
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2016-02-09 15:47
VectorTransformationGeometric Construction
This example demonstrates the concept of dilation. By using the Dilate command, you can observe how shapes change under different scaling factors. Key mathematical concepts include dilation, vectors, and geometric construction. The construction uses commands like Polygon, Dilate, and Line in GeoGebra. Suitable for middle school and above students to learn about dilation and geometric construction.

GeoGebra Commands & Parameters

  1. Polygon(A, B, 4) → poly1, a_1, b, c, d, C, D
  2. Dilate(A, α, E) → A'
  3. Dilate(B, α, E) → B'
  4. Dilate(C, α, E) → C'
  5. Dilate(D, α, E) → D'
  6. Polygon(A', B', C', D') → poly1', a', b', c', d'
  7. Line(D', D) → a
  8. Line(C', C) → e
  9. Line(B', E) → f
  10. Line(A', A) → g