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Calcul de la Longueur d'un Arc de Cercle en Tenant Compte de la Diamètre (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 114° ? Diamètre = 4 hm AC

= E D F 50° ? Diamètre = 40 dm DF

= H G J 173° ? Diamètre = 140 po GJ = S R T 168° ? Diamètre = 1094 m RT

=

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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 114° ? Diamètre = 4 hm AC

= 114 360 × π × 4 = 3,98 hm E D F 50° ? Diamètre = 40 dm DF

= 50 360 × π × 40 = 17,45 dm H G J 173° ? Diamètre = 140 po GJ = 173360 × π × 140 = 211,36 po S R T 168° ? Diamètre = 1094 m RT

= 168 360 × π × 1094 = 1603,89 m

MathsLibres.com

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