Dilations - Enlargement and Reduction
Loading the math board and drawing, please wait…
This example demonstrates dilations, focusing on enlargement and reduction. Key concepts include similarity transformations, ratios, and geometric constructions. Using GeoGebra commands such as Polygon, Intersect, Dilate, and Ray, the process of enlarging and reducing points is visually illustrated. Suitable for middle school and above students to learn about similarity transformations and ratios.
GeoGebra Commands & Parameters
Polygon(A, B, C) → poly1, c, a, bIntersect(xAxis, yAxis) → DDilate(A, d, D) → A'Dilate(B, d, D) → B'Dilate(C, d, D) → C'Polygon(A', B', C') → poly1', c', a', b'Ray(D, A) → fRay(D, C) → gRay(D, B) → h