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Biboushe
@Biboushe
June 2021
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Bonjour, j'aurais besoin d'aide pour cette exercice de math'
Merci beaucoup
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maudmarine
Verified answer
1) BE=2AB=
800 m
2) BC²=AB²+AC²
=400²+300²
=250000
donc BC=500 m
3) AC/AD=AB/AE=BC/DE
donc 300/AD=400/1200=500/DE
donc AD=300*1200/400=
900 m
et DE=1200*500/400=
1500 m
4) p=AB+BC+CD+DE
=400+500+600+1500
=3000 m
1 votes
Thanks 1
Biboushe
merci beaucoup!
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Bonsoir :) J'aurais besoin d'aide pour cette exercice! merci :)
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Verified answer
1) BE=2AB=800 m2) BC²=AB²+AC²
=400²+300²
=250000
donc BC=500 m
3) AC/AD=AB/AE=BC/DE
donc 300/AD=400/1200=500/DE
donc AD=300*1200/400=900 m
et DE=1200*500/400=1500 m
4) p=AB+BC+CD+DE
=400+500+600+1500
=3000 m