勾股定理长方体模型

GeoGebra 命令及参数

1. Intersect(yAxis, zAxis) → A
2. Point(yAxis) → B
3. Point(xAxis) → C
4. Segment(A, B) → f
5. Segment(A, C) → g
6. Line(C, yAxis) → h
7. Line(B, xAxis) → i
8. Intersect(i, h) → D
9. Segment(D, B) → j
10. Segment(D, C) → k
11. OrthogonalLine(B, xOyPlane) → l
12. Point(l) → E
13. Prism(B, A, C, D, E) → a, F, edgeAB, edgeAC, edgeCD, edgeBD, edgeBE, edgeAF, edgeCG, edgeDH, edgeEF, edgeFG, G, edgeGH, edgeEH, H, faceABDC, faceABEF, faceACGF, faceCDHG, faceBDHE, faceEFGH
14. Segment(A, D) → n
15. Segment(D, F) → m
16. Polygon(C, A, D) → t1, d, c, a_1
17. Polygon(A, F, D) → t2, d_1, a_2, f_1
18. Angle(D, C, A) → α
19. Angle(F, A, D) → β