Angle - 6e
Notion et mesure d'angle
Exercice 1 : Calcul d'angles simples - Angle complémentaires
Sachant que \(\widehat{BAD} = 128 °\), donner la mesure de l'angle \(\widehat{CAD}\).
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Exercice 2 : Mesurer un angle sans côté horizontal à l'aide d'un rapporteur demi-circulaire
Dans la figure suivante, quelle est la mesure de l'angle \(\widehat{AOB}\) ?
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On donnera la réponse suivie de l'unité qui convient.
Exercice 3 : Calcul d'angles simples - Angle complémentaires
Sachant que \(\widehat{BAD} = 55 °\), donner la mesure de l'angle \(\widehat{CAD}\).
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Exercice 4 : Calcul d'angles simples - Addition
Sachant que \(\widehat{BAD} = 21°\) et que \(\widehat{CAD} = 37°\), donner la mesure de l'angle \(\widehat{BAC}\).
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Exercice 5 : Mesurer un angle (angles rentrants et saillants) à l'aide d'un rapporteur rond
Dans la figure suivante, quelle est la mesure de l'angle \(\widehat{AOB}\) ?
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On donnera la réponse suivie de l'unité qui convient.