三角比 I

GeoGebra 命令及参数

1. Intersect(yAxis, xAxis) → A
2. Segment(A, B) → a
3. OrthogonalLine(B, xAxis) → b
4. Intersect(b, xAxis) → C
5. Segment(B, C) → c
6. Point(xAxis) → D
7. OrthogonalLine(D, xAxis) → d
8. Intersect(a, d) → E
9. Segment(E, D) → e
10. Distance(A, C) → f
11. Distance(B, C) → g
12. Distance(A, B) → h
13. Distance(A, D) → i
14. Distance(D, E) → j
15. Distance(A, E) → k
16. Polygon(A, B, C) → poly1, c_1, a_1, b_1
17. Polygon(A, E, D) → poly2, d_1, a_2, e_1