1.20juin2.7,23.39400km4.1,7%5.sontcaral'epoque il netait
pas tres preci dans les mesures
dangles et de distances, on voit
que l erreur relative n est pas
importante
6. 180°
7. 99°
8. 7,2 km
9. horizontal = longitude
vertical = latitude
10. meridien de greenwich
11. lat = 60° Nord
long = 80° est
12. cap et sarajevo
toronto et panama
13. sarajevo et toronto
14. Panama
15. 1er : 43,8
2e = 33,9
16. 77,7 °
17. 8640 km
18. ... la distance suivant
larc de parallelle nets pas
la plus rapide, quand c lavion
il va suivre larc de cercle
qui passe par sarajevo et
toronto dont le centre
du cercle est le centre de
la terre : il suis larc
du grand cercle. Ce quon
appelle la route
orthodromique
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