等腰梯形的性质

GeoGebra 命令及参数

1. Point(yAxis) → A_x
2. Textfield(m) → inputBox1
3. Textfield(s) → inputBoxf
4. Point(i) → K
5. Vector(K, s_{inv}D) → w
6. Vector(s_{inv}D, m_{invSinvD}) → z
7. Vector(m_{invSinvD}, q_{inv+}) → d
8. Vector(m_{invSinvD}, q_{inv-}) → f
9. Vector(q_{inv+}, I) → h_1
10. Vector(q_{inv-}, J) → j
11. Textfield(h) → inputBox2
12. Textfield(b) → inputBox3
13. Textfield(m_*) → inputBox4
14. Textfield(m) → inputBox5
15. Textfield(s) → inputBox6
16. Point(i) → T_1
17. Vector(T_1, S_*) → w_1
18. Vector(S_*, T_*) → u_2
19. Vector(T_*, R_1) → v_2
20. Vector(T_*, R_2) → w_2
21. Vector(R_1, R_#) → a_2
22. Vector(R_2, R_*) → b_2
23. Sequence(h - num, h + num) → N
24. Zip(Vector[(0, i), (2, R(i))], i, N) → QuadRvlist
25. Zip(Vector[(2, R(i)), (4, q(R(i)))], i, N) → Quadqvlist
26. Zip(Vector[(4, q(R(i))), (6, m(q(R(i))))], i, N) → Quadmvlist
27. Zip(Vector[(6, m(q(R(i)))), (8, s(m(q(R(i)))))], i, N) → Quadgvlist
28. Point(i) → A
29. Ray(T_1, T_1 + (0, 1)) → g
30. Ray(S_*, S_* + (0, 1)) → k
31. Ray(T_*, T_* + (0, m_*)) → p
32. Ray(R_1, R_1 + (0, 1)) → r
33. Ray(R_2, R_2 - (0, 1)) → t
34. Ray(R_#, R_# + (0, 1)) → f_1
35. Ray(R_*, R_* - (0, 1)) → g_1
36. Segment(R_1, R_2) → i_1
37. Segment(R_#, R_*) → j_1