探索缩放：几何变换与向量应用

GeoGebra 命令及参数

1. Polygon(A, B, C) → Preimage, c, a, b
2. Dilate(A, Scale, Center) → A'
3. Dilate(B, Scale, Center) → B'
4. Dilate(C, Scale, Center) → C'
5. Polygon(A', B', C') → Image, c', a', b'
6. Segment(Center, A) → d
7. Segment(Center, B) → e
8. Segment(Center, C) → f
9. Segment(Center, A') → g
10. Segment(Center, C') → h
11. Segment(Center, B') → i