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Dilation and Similar Triangles by Arthur Lee

Dilation and Similar Triangles by Arthur Lee
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2014-05-01 16:15
TriangleTransformationGeometric Construction
This example demonstrates the creation of similar triangles through dilation. Key math concepts include similar triangles, dilation transformation, and geometric construction. It uses GeoGebra commands like Line, Point, Polygon, and Dilate. Suitable for middle school and above students learning properties of similar triangles and transformation applications.

GeoGebra Commands & Parameters

  1. Line(A, B) → a
  2. Point(a) → B'
  3. Polygon(A, B, C) → poly1, d, a_1, b_1
  4. Dilate(A, k, A) → A'
  5. Dilate(B, k, A) → B'_1
  6. Dilate(C, k, A) → C'
  7. Polygon(A', B'_1, C') → poly1', d', a', b'