直角三角形 by Prim

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Segment(B, C) → b
3. Segment(C, D) → c
4. Segment(D, A) → d
5. Segment(A, C) → e
6. Polygon(A, B, C) → poly1, c_1, a_1, b_1
7. Polygon(A, D, C) → poly2, c_2, a_2, d_1
8. Angle(C, B, A) → α
9. Angle(A, D, C) → β
10. PointIn(poly1) → Pointpoly1
11. PointIn(poly2) → Pointpoly2
12. Polygon(A, D, C, B) → poly3, a_3, d_2, c_3, b_2
13. PointIn(poly3) → Pointpoly3