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Rotations, Reflections, and Dilations

Rotations, Reflections, and Dilations
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2017-04-03 03:11
Coordinate GeometryTransformationGeometric Construction
This example demonstrates the transformation effects of polygons undergoing rotation, reflection, and dilation in a two-dimensional plane. The core math concepts involved include transformation, geometric construction, coordinate geometry, and geometric transformations. The construction uses GeoGebra commands like Polygon and Rotate. It is suitable for high school mathematics teaching and learning on geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Rotate(A, (-(90°)), D) → A'
  3. Rotate(B, (-(90°)), D) → B'
  4. Rotate(C, (-(90°)), D) → C'
  5. Polygon(A', B', C') → poly1', c', a', b'