绘制四边形

GeoGebra 命令及参数

1. Polygon(L, E_1, 3) → Vieleck1, f, g, h, F_1
2. Intersect(xAxis, yAxis) → A
3. Point(yAxis) → B
4. Circle(A, B) → c
5. PolyLine(L, E_1, T_1, U_1, L) → i
6. Point(i) → C
7. Angle(F_1, A, C) → α
8. Length(sectors) → n
9. Sum(sectors) → sum
10. PolyLine(I_1, J_1, K_1, V_1, I_1) → j
11. Point(j) → I
12. Angle(H, A, I) → β
13. PolyLine(O_1, A_2, Q_1, P_1, O_1) → l
14. Point(l) → K
15. Angle(J, A, K) → γ
16. Sum(sectors2) → sum2
17. Sum(sectors3) → sum3