三维空间中的长度

GeoGebra 命令及参数

1. Plane(A, C, B) → p
2. PointIn(p) → w_{0}
3. Prism(w_{2}, w_{1}, w_{0}, w_{3}, x_{0}) → a, x_3, edge7, edge4, edge5, edge9, edge1, edge8, edge6, edge10, edge2, edgeDE, x_2, edgeEF, edge3, x_1, face4, face1, face5, face6, face2, face3
4. Segment(x_{0}, x_3) → d_{x}
5. Segment(x_3, x_2) → d_{y}
6. Segment(x_2, x_{0}) → d_{xy}
7. Segment(x_2, w_{0}) → d_{z}
8. Segment(w_{0}, x_{0}) → d_{xyz}
9. Angle(x_2, x_3, x_{0}) → α
10. Angle(x_{0}, x_2, w_{0}) → β
11. Segment(x_{0}, x_2) → d_2
12. Segment(x_{0}, w_{0}) → d