Mr. Smith's Dilation with Negative Scale Factor
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This example demonstrates the process of performing a dilation on a figure with a negative scale factor. Key math concepts involved include dilation, tangent function, percentages, confidence interval, circumcircle, and correlation. The construction utilizes GeoGebra commands and objects such as Intersect, Polygon, Dilate, Line, and Rotate. It is suitable for high school students and teachers learning about geometric transformations and proportional relationships.
GeoGebra Commands & Parameters
Intersect(xAxis, yAxis) → APolygon(B, C, 3) → poly1, b, c, d, DDilate(poly1, a, A) → poly1'Line(A, D) → eDilate(B, a, A) → B'Dilate(C, a, A) → C'Rotate(poly1, α, A) → poly1'_1Rotate(D, α, A) → D'Dilate(D, a, A) → D'_1