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Dilations - Triangle by Kate Rimando

Dilations - Triangle by Kate Rimando
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2015-10-07 12:22
TriangleTransformationGeometric Construction
This example demonstrates the transformation of a triangle under dilation. Key math concepts include dilation, scale factor, and geometric construction. It uses GeoGebra commands Polygon, Intersect, Ray to construct the original and transformed triangles, with a slider to control the scale factor. Suitable for high school students learning geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Intersect(xAxis, yAxis) → D
  3. Ray(D, B) → d
  4. Ray(D, A) → e
  5. Ray(D, C) → f
  6. Polygon(A', B', C') → poly2, c', a', b'

AI Drawing Prompt Reference

Draw an original triangle and its transformed version after dilation. First, plot the original triangle. Then find the intersection of the coordinate axes as the center of dilation. Draw rays from this center to each vertex of the original triangle, locate the dilated vertices on these rays, and form a new triangle with them. Use a slider to control the scale factor, showing the transformation process.
The prompt above was compiled from the original drawing commands and is for reference only.