给定面积构建平行四边形：快速形成性评估

GeoGebra 命令及参数

1. Point(Ray[A_1, A_1 + (1, 0)]) → B
2. Segment(A, B) → f
3. Translate(A, Vector[A_1, B]) → C
4. Segment(A, C) → g
5. Segment(C, B) → h
6. Polygon(B, C, A, A_1) → t1, n, a, b, c
7. InteriorAngles(t1) → α, β, γ, δ_{1}
8. InteriorAngles(t1) → δ, ε, ζ, η_{1}
9. Ray(C, A) → j
10. Ray(A, B) → k
11. Min({Distance[B, C], Distance[C, A], Distance[A, A_1], Distance[A_1, B]}) → d
12. Circle(A, (0.3 * d)) → e
13. Circle(B, (0.3 * d)) → p
14. Circle(C, (0.3 * d)) → q
15. Ray(A_1, B) → m
16. Intersect(q, j) → K,
17. Circle(A_1, (0.3 * d)) → c_1
18. Intersect(c_1, m) → N,
19. Segment(A, A_1) → f_1
20. Segment(A_1, B) → g_1
21. Segment(B, C) → h_1
22. Segment(C, A) → i_1
23. Angle(B, A_1, A) → κ
24. Segment(C, A) → r
25. Segment(A_1, B) → s
26. Segment(A, A_1) → i
27. Segment(C, B) → l
28. RandomElement(l1) → v_1
29. If(t1 ≟ v_1, "√", "X") → text3