平行四边形 by Marko Knežević

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → A
2. Line(C, xAxis) → f
3. Point(f) → D
4. Line(D, f) → g
5. Line(D, A) → h
6. Line(C, h) → i
7. OrthogonalLine(D, xAxis) → j
8. Intersect(i, xAxis) → B
9. Intersect(j, xAxis) → E
10. Segment(D, E) → v
11. Polygon(A, B, C, D) → q1, a, b, c, d
12. Angle(B, A, D) → α
13. TableText({LaTeX[a, true, true]}, {LaTeX[b, true, true]}, {LaTeX[v, true, true]}) → text1
14. Polygon(D, E, A) → t1, a_1, d_1, e
15. Angle(C, B, A) → β
16. Angle(D, E, A) → γ
17. LaTeX(α, true, true) → text2
18. LaTeX(β, true, true) → text4