三角形的重心位置向量

GeoGebra 命令及参数

1. Vector(E, C) → u
2. Vector(E, D) → v
3. Vector(E, F) → w
4. Polygon(C, D, F) → 다각형1, f, c, d
5. Midpoint(c) → G
6. Midpoint(d) → H
7. Segment(G, C) → a
8. Segment(D, H) → b
9. Intersect(a, b) → I
10. Vector(E, I) → z
11. Midpoint(f) → J
12. Segment(J, C) → h
13. Segment(J, D) → i
14. Segment(D, G) → j
15. Segment(G, F) → k
16. Segment(F, H) → m
17. Segment(H, C) → n
18. Segment(J, F) → q
19. Segment(D, H) → r
20. Vector(E, G) → w_1
21. 도구1(C, I) → g_1
22. 도구1(I, G) → h_1
23. Polygon(C, E, G) → 다각형2, g_2, c_2, e_2
24. Polygon(D, E, F) → 다각형3, f_1, d_2, e_3