平面直角坐标系中的平移变换 by Michael Bailey

GeoGebra 命令及参数

1. Polygon(A, B, C) → poly1, c, a, b
2. Textfield(tx) → inputBox1
3. Textfield(ty) → inputBox2
4. Translate(A, (tx, ty)) → A''
5. Translate(B, (tx, ty)) → B''
6. Translate(C, (tx, ty)) → C''
7. Polygon(D, E, F, G) → poly2, d, e, f, g
8. Segment(A, A'') → h
9. Segment(B, B'') → i
10. Segment(C, C'') → j
11. Point(h) → A'_1
12. Point(i) → B'_1
13. Point(j) → C'_1
14. Vector(A, A'_1) → u
15. Vector(B, B'_1) → v
16. Vector(C, C'_1) → w
17. Polygon(A', B', C') → poly3, c', a', b'