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winkel3d(s:Segment,p:Plane )

winkel3d(s,p)=winkel3d(p,s)





winkel3d(r:Linie,p:Plane )

winkel3d(r,p)=winkel3d(p,r)





winkel3d(p:Plane,s:Segment)

winkel3d(p,s)=winkel3d(p,linie(s))





winkel3d(p:Plane,r:Linie)





winkel3d(p1:Plane,p2:Plane )



















winkel3d(T:Dreieck,i:ZZ)




winkel()

wenn geometrie_status=2 dann winkel=winkel2d else winkel=winkel3d end





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