探索正弦定律

GeoGebra 命令及参数

1. Line(Left, B) → a
2. Rotate(B, L, Left) → B'
3. Angle(B, Left, B') → α
4. Line(Left, B') → b
5. Circle(Left, SideR) → d
6. Intersect(d, b, 2) → Third
7. Rotate(Left, T, Third) → D'
8. Angle(Left, Third, D') → β
9. Line(Third, D') → c
10. Intersect(a, c) → Right
11. Angle(Third, Right, Left) → γ
12. Segment(Left, Third) → KnownSide
13. Segment(Third, Right) → OppositeSide
14. Segment(Right, Left) → ThirdSide
15. Segment(Third, Right) → f
16. Segment(Left, Right) → g