Exploring Dilations by Jillian Folino
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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
Segment(A, B) → fDilate(A, r, C) → A'Dilate(B, r, C) → B'Segment(A', B') → f'