识别旋转信息

GeoGebra 命令及参数

1. Polygon((-2, 14.4), (40, 14.4), (40, 20), (-2, 20)) → TopBox, f, g, h, i
2. Polygon((21.4, 16), (40, 16), (40, -5), (21.4, -5)) → RightBox, j, k, l, m
3. Rotate(A, rotangle, B) → A'
4. Angle(A', B, A) → ABA'
5. Segment(A', B) → A'B
6. Segment(A, B) → AB
7. Textfield(usertext) → InputBox1
8. Circle((22.5, 5.5), 0.35) → CCircle
9. Circle((22.5, 4.3), 0.35) → CCCircle