la valeur exacte, en cm, du périmètre d'un cercle de diamètre 5 cm

By: USER2443
28 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
la valeur exacte, en cm, du périmètre d'un cercle de diamètre 5 cm
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Answer (67)

Best Answer
(141)
Périmètre cercle = Rayon x 2 x π

P = 5/2 x 2 x π
P = 10π/2
P = 5π

Le périmètre est de 5π cm.
Answered on 28 Agustus 2025
(105)
Bonjour , 

Formule du périmètre d'un cercle = 2*pi*r
donc 2*pi*2.5 = 5pi
Answered on 28 Agustus 2025

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