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Dilation with Movable Center

Dilation with Movable Center
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2019-06-26 09:06
TransformationGeometric ConstructionSlider Animation
This example demonstrates dilation with a movable center, allowing the user to adjust the scale factor using a slider. Key mathematical concepts include similarity transformations, scale factors, and measurements. The commands used include Polygon and Dilate. Suitable for middle school and above students to learn about similarity transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → PreImage, c, a_1, b
  2. Dilate(A, DilationFactor, Center) → A'
  3. Dilate(B, DilationFactor, Center) → B'
  4. Dilate(C, DilationFactor, Center) → C'
  5. Polygon(A', B', C') → Image, c', a', b'