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180 Degree Rotation

180 Degree Rotation
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2016-04-15 01:20
Coordinate GeometryTransformationGeometric Construction
This example demonstrates 180-degree rotation, a geometric transformation. Key mathematical concepts include rotation, graphical transformations, and coordinate geometry. Using GeoGebra commands such as Point, Intersect, Polygon, and Rotate, the construction of the rotated figure is illustrated. Suitable for students at the junior high school level and above to learn about geometric transformations.

GeoGebra Commands & Parameters

  1. Point(xAxis) → G
  2. Point(yAxis) → H
  3. Intersect(xAxis, yAxis) → I
  4. Polygon(A, C, B) → poly1, b, a, c
  5. Intersect(xAxis, yAxis) → D
  6. Rotate(A, 180°, D) → A'
  7. Rotate(C, 180°, D) → C'
  8. Rotate(B, 180°, D) → B'
  9. Polygon(A', C', B') → poly1', b', a', c'