棱锥的展开图 by Norm Prokup

GeoGebra 命令及参数

1. Point(zAxis) → V
2. Polygon(A, B, C, D) → q1, a, b, c, d
3. Polygon(C, B, V_2) → t1, f, c_1, b_1
4. Rotate(A_1, (t / e * π / 2), c_1) → A_2
5. Rotate(D_1, (t / e * π / 2), b_1) → D_2
6. Polygon(V_2, B, A_2) → t2, a_2, v_2, b_2
7. Angle(g, h) → α
8. Polygon(C, D_2, V_2) → t3, v_1, c_2, d_2
9. Rotate(B, i, b_2) → E
10. Polygon(V_2, A_2, E) → t4, e_1, v_3, a_1