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Calcul de l'Angle d'un Arc de Cercle en Tenant Compte de la Circonférence, la Diamètre ou du Rayon (A)

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Longueurs d’un Arc de Cercle (A)

Nom:

Date:

Calculez la longueur de l’angle du cercle.

B A C ? 129,01 µm Rayon = 77 µm ̸ ABC = E D F ? 60,21 µm Circonférence = 188,5 µm ̸ DEF = H G J ? 428,51 hm Rayon = 372 hm ̸ GHJ = S R T ? 1037,21 µm Diamètre = 664 µm ̸ RST =

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(2)

Longueurs d’un Arc de Cercle (A) Réponses

Nom:

Date:

Calculez la longueur de l’angle du cercle.

B A C ? 129,01 µm Rayon = 77 µm ̸ ABC =77129,01×π×2× 360 = 96° E D F ? 60,21 µm Circonférence = 188,5 µm ̸ DEF =60,21 188,5 × 360 = 115° H G J ? 428,51 hm Rayon = 372 hm ̸ GHJ =372428,51×π×2 × 360 = 66° S R T ? 1037,21 µm Diamètre = 664 µm ̸ RST =1037,21 664×π × 360 = 179°

MathsLibres.com

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