平面角平分面快速演示

GeoGebra 命令及参数

1. Midpoint(A, B) → C
2. Line(A, B) → f
3. PlaneBisector(A, B) → p
4. PointIn(p) → D
5. Distance(A, D) → a
6. Distance(B, D) → b
7. Dilate(B, If[0 < SlideMe ≤ 1, 1 - SlideMe, 0], D) → B'
8. Segment(B, B') → g
9. Plane(A, D, B) → q
10. Angle(A, D, B) → α
11. Rotate(B, If[1 < SlideMe ≤ 2, ((SlideMe - 1) * α), α], D, q) → B'_{1}
12. Segment(D, B'_{1}) → h
13. Angle(B, C, D) → β
14. Segment(A, B) → i
15. Sphere(D, B) → c
16. IntersectPath(p, c) → d