长方体展开图 by Dave Pfaffle

GeoGebra 命令及参数

1. Point(Circle[A, Length]) → B
2. Segment(A, B) → a
3. Point(Circle[A, Width]) → C
4. Segment(A, C) → b
5. Rotate(A, α, A) → A'
6. Rotate(C, α, A) → C'
7. Segment(A', C') → b'
8. Point(Circle[B, Width]) → D
9. Segment(B, D) → c
10. Rotate(B, α, B) → B'
11. Rotate(D, α, B) → D'
12. Segment(B', D') → c'
13. Segment(C', D') → d
14. Polygon(A, B, D', C') → poly1, a_1, b_1, d', c'_1
15. Prism(poly1, Height) → e, E, edgeAE, edgeBF, edgeD'G, edgeC'H, edgeEF, edgeFG, edgeGH, edgeEH, F, G, H, faceABFE, faceBD'GF, faceC'D'GH, faceAC'HE, faceEFGH
16. Net(e, Net) → g, I, R, S, T, U, V, faceIJKL, faceIJNM, faceJKPO, faceKLRQ, faceILST, J, faceMNUV, edgeIJ, edgeJK, edgeKL, edgeIL, edgeIM, edgeMN, edgeJN, edgeJO, edgeOP, K, edgeKP, edgeKQ, edgeQR, edgeLR, edgeLS, edgeST, edgeIT, edgeNU, edgeUV, edgeMV, L, M, N, O, P, Q
17. Midpoint(edgeEH) → W
18. Midpoint(edgeGH) → Z
19. Midpoint(edgeD'G) → A_1
20. Midpoint(edgeIM) → B_1
21. Midpoint(edgeUV) → C_1
22. Midpoint(edgeMV) → D_1
23. Midpoint(edgeJO) → E_1
24. Midpoint(edgeOP) → F_1