三角形不等式演示 by Darlena

GeoGebra 命令及参数

1. Point(Circle[A, abs(c)]) → B
2. Segment(A, B) → d
3. Circle(A, b) → e
4. Circle(B, a) → f
5. Intersect(e, f) → C, D_1, ,
6. Polygon(A, B, C) → poly1, c_1, a_1, b_1
7. Angle(A, C, B) → α
8. Angle(C, B, A) → β
9. Angle(B, A, C) → γ
10. Point(e) → D
11. Segment(A, D) → g
12. Midpoint(g) → E
13. Point(f) → F
14. Segment(B, F) → h
15. Midpoint(h) → G_1
16. Midpoint(h) → G