菱形 by aidan.tomlinson

GeoGebra 命令及参数

1. Point(yAxis) → A
2. Line(A, B) → a
3. Line(C, a) → b
4. Line(A, C) → c
5. Line(B, c) → d
6. Intersect(b, d) → D
7. Polygon(A, C, D, B) → poly1, a_1, c_1, d_1, b_1
8. Angle(C, A, B) → α
9. Angle(A, B, D) → β
10. Angle(B, D, C) → γ
11. Angle(D, C, A) → δ
12. Circle(B, b_1) → e
13. Circle(D, c_1) → f
14. Segment(B, C) → g
15. Segment(D, A) → h
16. Intersect(e, a_1, 1) → E
17. Intersect(e, a_1, 1) → F
18. Intersect(e, a_1, 1) → G