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sophia31860
@sophia31860
June 2021
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BESOIN AIIDEE !! URGENT !!!
20POINTS OFFERT
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MichaelS
Verified answer
Bonjour,
Sujet B
exo 1:
√50 - √32 = √18 - √18 = √2
Donc ABCD est un carré
aire = √2 x √2 = 2
son aire est un nombre entier.
exo 2 :
D'après le théorème de Pythagore,
AC² = AB² + BC²
AC² = 5² + 5²
AC² = 50
AC = √50 = 5√2
périmètre = AB + BC + CA
périmètre = 5 + 5 + 5√2
périmètre = 10 + 5√2
exo 3 :
A ≈ 18.285
A = 13√2
Bonne journée !
1 votes
Thanks 0
sophia31860
ta reçu les points ?
MichaelS
oui merci ;)
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Verified answer
Bonjour,Sujet B
exo 1:
√50 - √32 = √18 - √18 = √2
Donc ABCD est un carré
aire = √2 x √2 = 2
son aire est un nombre entier.
exo 2 :
D'après le théorème de Pythagore,
AC² = AB² + BC²
AC² = 5² + 5²
AC² = 50
AC = √50 = 5√2
périmètre = AB + BC + CA
périmètre = 5 + 5 + 5√2
périmètre = 10 + 5√2
exo 3 :
A ≈ 18.285
A = 13√2
Bonne journée !