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2D Reflection

2D Reflection
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2011-11-09 22:03
Coordinate GeometryTransformationGeometric Construction
In collections Transformation-Rotation Transformation-Reflection Reflections
This example helps students understand 2D reflection using simple geometric transformations. It demonstrates the use of the Mirror command in GeoGebra to perform reflections, involving key mathematical concepts such as geometric transformations and reflections. By adjusting points A, B, C, D, and E, students can observe changes in the reflected shapes. Suitable for students in middle school and above learning about geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C, D, E) → poly1, a, b, c, d, e
  2. Line(F, G) → f
  3. Mirror(A, f) → A'
  4. Mirror(B, f) → B'
  5. Mirror(C, f) → C'
  6. Mirror(D, f) → D'
  7. Mirror(E, f) → E'
  8. Polygon(A', B', C', D', E') → poly1', a', b', c', d', e'