不等边三角形的不等关系

GeoGebra 命令及参数

1. Polygon(A, B, C) → t1, c, a, b
2. Angle(t1) → α, β, γ
3. Polygon(D, E, F) → t2, f, d, e
4. Angle(t2) → δ, ε, ζ
5. Polygon(G, H, I) → t3, i, g, h
6. Angle(H, I, G) → η
7. Angle(I, G, H) → θ
8. Angle(G, H, I) → ι
9. Midpoint(c) → M
10. Midpoint(b) → N
11. Midpoint(a) → O
12. Segment(C, M) → j
13. Segment(B, N) → k
14. Segment(A, O) → l
15. Midpoint(k) → P
16. Midpoint(j) → Q
17. Midpoint(l) → R
18. Vector(B, P) → u
19. Vector(C, Q) → v
20. Vector(A, R) → w