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esmeralda28
@esmeralda28
June 2021
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bonjour quelqu'un peut m'aider svp avec un calcule merci d'avance ☺
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loulakar
Verified answer
Bonjour,
Il faut utiliser le théorème de pythagore :
S : sommet du chapeau
H : hauteur du chapeau
R : le bas du ruban
SH = 20 cm
HR = 50/2 = 25 cm
Dans le triangle rectangle SHR,
SH² + HR² = SR²
SR² = 20² + 25²
SR² = 400 + 625
SR² = 1025
SR = √1025
SR ≈ 32 cm
Périmètre de la base :
P = 2x π x r
P = 2 x π x 25
P = 50π
P ≈ 157 cm
2 m = 200 cm
200 / 32 = 6,25
Elle ne pourra en utiliser que 6
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bonsoir merci de m'aider a remplace BE ABLE TO par quelque chose d'autres merci d'avance ! 1 you're able to suim. 2.he is not able to listen . 3.are they able to learn ? merci d'avance
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Bonjour aider moi svp c'est en anglais merci d'avance !!! Capacity or obligation = say the opposite ( changing a negative form into an affirmative form and vice versa ) 1. You were not able to do it = 2.you could do it = 3.you're not able to do it = 4.you had to do it = merci de bien vouloir m'aider ;)
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Verified answer
Bonjour,Il faut utiliser le théorème de pythagore :
S : sommet du chapeau
H : hauteur du chapeau
R : le bas du ruban
SH = 20 cm
HR = 50/2 = 25 cm
Dans le triangle rectangle SHR,
SH² + HR² = SR²
SR² = 20² + 25²
SR² = 400 + 625
SR² = 1025
SR = √1025
SR ≈ 32 cm
Périmètre de la base :
P = 2x π x r
P = 2 x π x 25
P = 50π
P ≈ 157 cm
2 m = 200 cm
200 / 32 = 6,25
Elle ne pourra en utiliser que 6