圆锥的截面 by S Sharma (2)

GeoGebra 命令及参数

1. Circle(B, 3, zAxis) → c
2. Cone(B, O, 3) → a_2, d, b
3. OrthogonalLine(C, xOyPlane) → e
4. Point(e) → D
5. Vector(C, D) → u
6. OrthogonalPlane(D, e) → f
7. IntersectPath(f, a_2) → g
8. Corner(g)
9. Intersect(zAxis, f) → E
10. Point(g) → F
11. Polygon(E, F, O) → poly1, a, s, h
12. Line(O, F) → i
13. Intersect(i, c) → A,
14. Segment(E, B) → j
15. Segment(A, B) → k
16. Segment(F, A) → l