内切圆与多边形参数演示

GeoGebra 命令及参数

1. If(l_2j > 30, 30, l_2j) → l_3j
2. If(lj < 0, 0, lj) → l_1j
3. If(l_1kate > 30, 30, l_1kate) → l_3
4. If(lkate < 0, 0, lkate) → l_2
5. Line(C, xAxis) → i
6. Line(D, i) → j
7. Point(i) → E
8. OrthogonalLine(E, i) → k
9. Intersect(j, k) → F
10. Textfield(b) → InputBox1
11. Point(i) → H
12. OrthogonalLine(H, i) → l
13. Point(l) → I
14. OrthogonalLine(I, l) → q
15. Point(l) → J
16. OrthogonalLine(J, l) → r
17. Point(q) → L
18. OrthogonalLine(L, q) → s
19. Intersect(s, r) → M
20. Polygon(I, L, M, J) → poly1, i_1, l_1, m_1, j_1
21. Intersect(i, l_1) → N
22. Intersect(j, l_1) → O
23. Intersect(j_1, j) → P
24. Segment(H, N) → t_1
25. Segment(P, O) → c
26. Intersect(d, i_1) → Q
27. Intersect(m_1, d) → R
28. Segment(Q, R) → e
29. Textfield(t) → InputBox4
30. Textfield(a) → InputBox5
31. Textfield(a_1) → InputBox6
32. Textfield(text2) → InputBox2
33. Textfield(text3) → InputBox3
34. Polygon({(0, 0), (30, 0), (30, 150), (0, 150)}) → poly2
35. Textfield(n_1) → InputBox7
36. TableText({{A1, B1, C1}, {0, f(0), h(0)}, {1, f(1), h(1)}, {2, f(2), h(2)}, {3, f(3), h(3)}, {4, f(4), h(4)}, {5, f(5), h(5)}, {n_1, f(n_1), h(n_1)}}, "|_r") → text7