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abdellahbouamari
@abdellahbouamari
January 2021
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Slt quelqu’un est fort en math???
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chrystine
Verified answer
Bonsoir
1)le triangle MDF est rectangle en D,d'après le théorème de Pythagore on a:
FM²=DM²+DF²
MF²=8²+6²
MF²=64+36
MF=√100
MF=
10 km
2)on sait que les droites (FM)et(AG) sont parallèles
Le théorème de Thalès nous donne:
DF/DG=DM/DA=FM/GA
soit 6/DG=8/24
DG=24*6/8=
18 km
FG=18-6=
12 km
3)AG=24*10/8=
30 km
4)8+10+12+30=
60 km
1 votes
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Verified answer
Bonsoir1)le triangle MDF est rectangle en D,d'après le théorème de Pythagore on a:
FM²=DM²+DF²
MF²=8²+6²
MF²=64+36
MF=√100
MF=10 km
2)on sait que les droites (FM)et(AG) sont parallèles
Le théorème de Thalès nous donne:
DF/DG=DM/DA=FM/GA
soit 6/DG=8/24
DG=24*6/8=18 km
FG=18-6=12 km
3)AG=24*10/8=30 km
4)8+10+12+30= 60 km