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Polygon Rotation on Coordinate Grid

Polygon Rotation on Coordinate Grid
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2017-09-06 22:48
TrigonometryCoordinate GeometryGeometric Construction
This example demonstrates how to rotate a polygon on a coordinate grid by an angle α. Key math concepts include rotation, trigonometry, and coordinate geometry. GeoGebra commands used are Polygon, Intersect, Rotate, with objects like α, A/B/C, poly1, c/a/b. Suitable for high school mathematics education to understand and apply geometric principles of polygon rotation.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Intersect(xAxis, yAxis) → D
  3. Rotate(A, α, D) → A'
  4. Rotate(B, α, D) → B'
  5. Rotate(C, α, D) → C'
  6. Polygon(A', B', C') → poly1', c', a', b'