Exploring Dilations by Jillian Folino

Exploring Dilations by Jillian Folino
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2018-01-05 04:18
This example demonstrates the application of dilation in triangles by dragging points A and B to observe the changes in point C and its image C'. Core mathematical concepts include dilation, geometric mean, orthocenter, and similarity transformation. The construction uses GeoGebra commands Segment (segment) and Dilate (dilation), with objects r (scale factor), A, B, f (point), C, A', B', f'. Suitable for high school students learning geometric transformations.

GeoGebra Commands & Parameters

  1. Segment(A, B) → f
  2. Dilate(A, r, C) → A'
  3. Dilate(B, r, C) → B'
  4. Segment(A', B') → f'