相似三角形 by mcw0037

GeoGebra 命令及参数

1. Segment(A, B) → f
2. Distance(A, B) → distanceAB
3. Segment(A, C) → g
4. Distance(A, C) → distanceAC
5. Segment(C, B) → h
6. Distance(B, C) → distanceBC
7. Polygon(A, B, C) → t1, c, a, b
8. Dilate(A, 0.5, D) → A'
9. Dilate(B, 0.5, D) → B'
10. Dilate(C, 0.5, D) → C'
11. Polygon(A', B', C') → t1', c', a', b'
12. Segment(A', C') → i
13. Segment(C', B') → j
14. Segment(B', A') → k